Download - SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

Transcript
Page 1: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

1 Maths-X (H)

SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONSFOR THE YEAR 2009-10

Preparation from Question Banks and Practice to students 01.04.09 to 22.10.09

School level Quiz Competition 23.10.09 to 24.10.09

Cluster level 17.11.09 to 20.11.09

Zonal level Quiz Competition 01.12.09 to 04.12.09

District level Quiz Competition 04.01.10 to 06.01.10

Regional level Quiz Competition 11.01.10 to 13.01.10

State level Quiz Competition First week of February

Page 2: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

2 Maths-X (H)

v/;kidks ds uke ftUgksus iz'u dks"k dh jpuk dh %Ø- la[;k v/;kid dk uke in fo|ky; dk uke1 pUnzdkUrk Nkcfj;k Lecturer jk0 iz0 fo0

Maths fo|ky; R;kxjktuxj yks/kh jksM+ ubZfnYyh & 03

2 uhye diwj Lecturer flLVj fuoksfnrkMaths loksZn; dU;k fo|ky;]

A & Cykd fMQsaldkyksuh] ubZ fnYyh

3 T;ksfr [kqjkuk T.G.T. flLVj fuoksfnrkloksZn; dU;k fo|ky;]A & Cykd fMQsaldkyksuh] ubZ fnYyh

4 lfork fot+ T.G.T. ohj lkodZj loksZn; dU;kfo|ky;] u- 1] dkydkth]ubZ fnYyhA

5 euizhr HkkfV;k T.G.T. jk0 iz0 fo0fo|ky; R;kxjkt uxj]yks/kh jksMubZ fnYyh& 03

v/;kidks ds uke ftUgksaus d{kk X ds iz'u dks"k dk iqujh{k.k dk;Z fd;k %&Ø- la[;k v/;kid dk uke fo|ky; dk uke1- pUnzdkUrk Nkcfj;k jk0 iz0 fo0

fo|ky; R;kxjktuxj yks/kh jksM+ ubZfnYyh & 03

2 uhye diwj flLVj fuoksfnrkloksZn; dU;k fo|ky;]A & Cykd fMQsaldkyksuh] ubZ fnYyh

3- ohuk nqvk th-,l-ds-oh- efV;kyk]ubZ fnYyh&59

4- lquhy vxzoky th-,l-oh- ikslkUxhiqjch&1] tudiqjh

Page 3: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

3 Maths-X (H)

d{kk & X

xf.kr

fo"k; lwph

1 okLrfod la[;k,¡ 4 & 9

2 cgqin 8 & 12

3 nks pj okys jSf[kd lehdj.k 13 & 18

4 f}?kkr lehdj.k 19 & 23

5 lekarj Js.kh 24 & 27

6 le:i f=Hkqt 28 & 36

7 funsZ'kkad T;kfefr 37 & 42

8 f=dks.kfefr rFkk blds vuqiz;ksx 43 & 47

9 oÙk 48 & 56

10 T;kferh; jpuk,¡ 57 & 58

11 o`Ùkksa ls lacaf/kr {ks=Qy 59 & 65

12 i`"Bh; {ks=Qy vkSj vk;ru 66 & 69

13 lakf[;dh rFkk izkf;drk 70 & 74

Page 4: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

4 Maths-X (H)

v/;k;&1

okLrfod la[;k,¡

1- 1000 2 5x y ] rks x rFkk y dk eku Kkr dhft,A

2- 3200 ds vHkkT; xq.ku[k.M esa dkSu lh la[;k,¡ ckj&ckj vkrh gSa\

3- 8n esa bdkbZ ds LFkku ij dkSu lk vad vk,xk ;fn ,5n dk xq.kt gks\

4- fHkUu 14

160 ds gj ds vHkkT; xq.ku[k.M 2 5x gSa rks x dk eku crkb,A

5- ;fn nks la[;kvksa 68 vkSj 85 dk e0 l0 17 gks] rks mudk y0 l0 D;k gksxk\

6- 95 vkSj 152 dk e0 l0 D;k gksxk\

7- og la[;k Kkr dhft, ftls 18 ls Hkkx djus ij HkkxQy vkSj 'ks"kQy Øe'k% 7 vkSj 4 gksA

8- 176 dks tc fdlh la[;k ls Hkkx fn;k tkrk gS rks 'ks"kQy 5 vkSj HkkxQy 9 gksrk gS rks la[;kD;k gksxh\

9- 27 dks fdl NksVh ls NksVh vifjes; la[;k ls xq.kk fd;k tk, fd ,d ifjes; la[;k izkIr

gks\

10- ( )7 5+ vkSj ( )7 5− dk xq.ku[k.M D;k gksxk\

11- og ifjes; la[;k Kkr dhft, ftldk n'keyo fu:i.k 0.7 gksA

12- 0.3 vkSj 0.4 dk ;ksxQy Kkr dhft,A

13- 0.17 =p

q ] tgk¡ p rFkk q iw.kkZad gSa] 0q A p

q dk eku crkb,A

Page 5: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

5 Maths-X (H)

14- ( )3 5+ esa dkSu lh vifjes; la[;k tksM+h tk, fd gesa ,d ifjes; la[;k izkIr gks\

15- 1.25 dks ifjes; la[;k ds :i esa cr,b,A

16- ( )5 3− dks fdl ls xq.kk fd;k tk, fd ,d ifjes; la[;k izkIr gks\

17- 7 5 8 5+ dk eku crkvksA

18- 5 7 15 21× × × dk eku crkb,A

19- x dk eku crkb,A

20- ;fn 133 dks 19 ls Hkkx fd;k tk, rks 'ks"kQy 0 izkIr gksrk gSA e0l0 ¼133]19½ Kkr dhft,A

21-13

11 dk n'keyo izlkj crkb,A

22- ;fn 3

7 dk n'keyo izlkj 0.428571 gks rks

5

7 dk n'keyo izlkj D;k gksxk\

23- ;fn 6

0.8571427= gks rks

4

7 dk n'keyo izlkj D;k gksxk\

24- 57 dk bdkbZ ds LFkku ij dkSu lk vad gksxk\

25- 54 ds bdkbZ ds LFkku dk vad Kkr djksA

26- ;fn 37 ds bdkbZ LFkku dk vad 3 gS rks 117 esabdkbZ ds LFkku dk vad D;k gksxk\

27- x rFkk y dk eku crkb,A

x

y z

3 7

144

2 x

3 4

Page 6: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

6 Maths-X (H)

28- ( )217 3× ds bdkbZ ds LFkku dk vad Kkr djksA

29- 186 esa bdkbZ ds LFkku ij dkSu lk vad gksxk\

30- ljy djks%& ( ) ( ) ( ) ( )2 3 5 3 6 3 7 3+ + − + + + −

31- ljy djks%& ( ) ( ) ( )3 5 6 2 3 2 3− + − + +

32- 5 2− dk xq.kkRed izfrykse Kkr dhft,A

33- ljy djks%&

7 3 7 3

7 3 3 7

34- ifjes; la[;k ds :i esa fy[kks%&( )( )( )( )4 3 4 3

5 2 5 2

− +

− +

35- ;fn nks la[;kvksa 16 vkSj 28 dk y0 l0 o0 112 gks rks la[;kvksa dk e0 l0 o0 Kkr djksA

36- ( )2 3+ dk oxZ Kkr djksA

37- ljy djks%& ( ) ( )2 2

3 5 3 5+ −

38- 152 vkSj 171 dk e0 l0 D;k gksxk\

39- ;fn nks la[;kvksa 420 vkSj 421 dk e0 l0 21 gks rks y0 l0 Kkr djksA

40- nks la[;kvksa dk e0 l0 vkSj y0 l0 Øe'k% 19 vkSj 380 gSA ;fn ,d la[;k 95 gks rks nwljhla[;k D;k gksxh\

Page 7: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

7 Maths-X (H)

okLrfod la[;k,¡ ¼v/;k;&1½mÙkjekyk

1- x=3, y=3

2- 2 vkSj 5

3- 8

4- x=4

5- 340

6- 19

7- 130

8- 19

9- 3

10- 2

11- 79

12- 0.7

13-17

99

14- ( )– 5

15-23

190

16- ( )5 3+

17- 15 5

18- 105

19- 42

20- 19

21- 1.18

22- 0.714285

23- 0.571428

24- 7

25- 4

26- 3

27- x=72, y=24

28- 1

29- 6

30- 20

31- 3

32- 5 2+

33- &2

34- 13

35- 4

36- 7 4 3+

37- 16

38- 19

39- 8820

40- 76

Page 8: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

8 Maths-X (H)

v/;k;&2

cgqin

1- cgqin ( )p x esa 2x dk xq.kkad D;k gS%&

3( ) 3 10( – ²) – 5 ² 2p x x x x x

2- cgqin ( )p x dk eku Kkr djks tc 3x = gks%&

2( ) – 4 7p x x x

3-3

2f⎛ ⎞−⎜ ⎟⎝ ⎠

dk eku D;k gksxk tc

2 7( ) 4 3

2f x x x

4- ;fn 2( ) 5 14f x x x= − − gS rks (7)f dk eku Kkr djksA

5- cgqin 2 15 –34x x ds 'kwU;d Kkr djksA

6- cgqin 2 5 4x x− + esa D;k tksM+k tk, fd 3] cgqin dk 'kwU;d gks tk,\

7- 3] 2] &2 vkSj 1 esa ls dkSu lh la[;k,¡ cgqin 2 4x − dh 'kwU;d gSa\

8- cgqin 2 16 30x x− + esa ls D;k ?kVk;k tk, fd 15x = cgqin dk 'kwU;d gks\

9- 2 7 12x x− + dks 3x − ls Hkkx djus ij HkkxQy Kkr djksA

10- cgqin Kkr djks ftlds 'kwU;d 2 vkSj 2− gksA

11- cgqin 2 30x ax+ − esa a dk eku Kkr djks tcfd 5] cgqin dk 'kwU;d gksA

12- ;fn 3 2( ) 4 3 1f x x x x= + − + dks ( 2)x − ls Hkkx fd;k tk, rks 'ks"kQy D;k gksxk\

13- ;fn 2( ) 3 7 8f x x x= − + gks rks ( 2)f − dk eku D;k gksxk\

14- cgqin 23 4 7x x− − esa nksuksa 'kwU;dksa dk tksM+ Kkr djksA

15- cgqin 2 11 30x x− + esa 'kwU;dksa dk xq.kuQy D;k gksxk\

16- dkSu ls f}?kkr lehdj.k ds 'kwU;d 1

4 vkSj

3

4 gksxsa\

Page 9: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

9 Maths-X (H)

17- K dk eku D;k gksxk ;fn 2( ) 11p x x x K= + + dk ,d 'kwU;d &4 gks\

18- cgqin 22 3 14x x− − ds nksuksa 'kwU;d Kkr djksA

19- ;fn 22 , 2x x ax b dk ,d xq.ku[k.M gks vkSj 4a b+ = gks rks a rFkk b dk

eku crkb,A

20- ;fn 3 1x − dks 2 1x x+ + ls Hkkx fd;k tk, rks HkkxQy D;k gksxk\

21- x ds fdl eku ds fy, nksuks cgqinksa 23 8 4x x+ + vkSj 2 6x x− − 'kwU; gks tk,xsa\

22- uhps fn, x, vkys[k ls cgqin ( )y f x= ds 'kwU;dksa dh la[;k crkb,A

23- cgqin ( )y f x= ds 'kwU;dksa dh la[;k crkb, ftldk vkys[k fuEu gSa%&

24- cgqin ( ) ( 1)( 1)( 2)f x x x x= − + − ds dqy fdrus 'kwU;d gSa\

Page 10: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

10 Maths-X (H)

25- cgqin 2( ) ( 3)( 9 20)f x x x x= − − + ds lHkh 'kwU;d Kkr dhft,A

26- cgqin 23 14 11x x ds 'kwU;dksa dk ;ksx vkSj xq.kuQy Kkr dhft,A

27- HkkxQy vkSj 'ks"kQy Kkr dhft, ;fn 2 8 15x x− + dks ( 3)x − ls Hkkx fd;k tk,A

28- ,d f}?kkrh cgqin ds vf/kd ls vf/kd fdrus 'kwU;d gks ldrs gSa\

29- ;fn cgqin 2( ) 13 40p x x x= − + dk ,d 'kwU;d 8 gks] rks nwljk 'kwU;d D;k gksxk\

30- cgqin ds 'kwU;d Kkr djks ftldk vkys[k fuEu gks%&

31- f}?kkrh cgqin ds nks 'kwU;d dkSu ls gSa ftldk vkys[k fuEu gks%&

32- cgqin 2 25x − ds 'kwU;d Kkr djks vkSj 'kwU;dksa dk ;ksx Hkh Kkr djksA

33- dkSu ls f}?kkrh cgqin ds ewyksa dk ;ksx vkSj xq.kuQy Øe'k% &15 vkSj 50 gksxk\

Page 11: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

11 Maths-X (H)

34- cgqin Kkr dhft, ftlds ewy 2 3 vkSj 3 3 gksaA

35- f=?kkrh cgqin 3 7 6x x− + ds rhuksa ewyksa dk ;ksx vkSj xq.kuQy D;k gksxk\

36- cgqin ( ) 24 ( 6 8)x x x+ − + ds rhu ewy dkSu ls gSa\

37- cgqin 3 2 9 9x x x+ − − ds nks ewy 3 vkSj &3 gSaA rhljk ewy D;k gksxk\

38- f}?kkrh cgqin Kkr dhft, ftlds ewy 3 5+ vkSj 3 5− gSaA

39- fuEu dks iwjk djks%&

HkkT; Hkktd × &&&&&&&&&&&&&& $ &&&&&&&&&&&&&&

40- ;fn ( –1)x ] cgqin 3 2 –11x ax bx dk ,d xq.ku[k.M gS vkSj 6a b− = gks rks a vkSj b KkrdjksA

41- a ds fdl eku ds fy, cgqin 2 6x ax− − dk ,d 'kwU;d 6 gksxk\

42- 2 41, 1x x− − vkSj 2( 1)x − esa dkSu lk xq.ku[k.M mHk;fu"B gS\

43- 2 2( 2 1), ( 1)x x x+ + − vkSj 3 1x + dk mHk;fu"B 'kwU;d Kkr djksA

44- 6( 1)( 2)x x+ + vkSj 39( 1)x + esa dkSu lk xq.ku[k.M mHk;fu"B gS\

45- x ds fdl eku ds fy, nksuksa cgqinksa 2 3 2x x− + vkSj 2 6 5x x− + ds eku 'kwU; gks tk,axs\

46- K ds fdl eku ds fy, cgqin 22 12x Kx+ − dk ,d 'kwU;d &4 gksxk\

47- 2 8 15x x+ + vkSj 2 3 10x x+ − esa dkSu lk xq.ku[k.M mHk;fu"B gS\

48-2

2

5 4

2 1

x x

x x

+ ++ +

dk U;wure :i crkb,A

49- f=?kkrh cgqin Kkr djks ftlds 'kwU;d 0] 4 vkSj &4 gksaA

50- ;fn 2( ) 5 2p x x x= + + rks (3) (2)P P+ dk eku D;k gksxk\

Page 12: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

12 Maths-X (H)

cgqin ¼ v/;k;&2 ½mÙkjekyk

1. –15

2. 4

3. 8

4. 0

5. (17, –2)

6. 2

7. (2, –2)

8. 15

9. (x – 4)

10. (x² – 2)

11. a = 1

12. 19

13. 34

14.4

3

15. 30

16.1

16(16x² – 16x + 3)

17. k = 28

18.7

, –22

⎛ ⎞⎟⎜ ⎟⎜ ⎟⎟⎜⎝ ⎠

19. a = 3, b = 1

20. (x – 1)

21. x = –2

22. 4 'kwU;

23. 2 'kwU;

24. 3

25. 3, 4, 5

26.14 11

,3 3

27. HkkxQy (x – 5) R = 0

28. nks

29. 5

30. x = 2, x = 4

31. 2, 2

32. (5, –5), 0

33. x² + 15x + 50

34. ² – 5 3 18x +

35. (0, –6)

36. (2, 4, –4)

37. (–1)

38. x² – 6x + 4

39. HkkxQy] 'ks"k

40. a = 8, b = 2

41. a = 5

42. (x – 1)

43. –1

44. 3 (x + 1)

45. x = 1

46. k = 5

47. (x + 5)

48.4

1

x

x

++

49. x³ – 16x

50. 42

Page 13: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

13 Maths-X (H)

v/;k;&3

nks pjksa okys jSf[kd lehdj.k

1- lehdj.k 2 3 4 0x y− + = esa fdrus pj gSa\

2- fcUnq ¼&4] 0½ fdl v{k ij fLFkr gSa\

3- m ds fdl eku ds fy, fn, x, lehdj.k fudk; dk gy vf}rh; gksxk\

2 3 7

2 28

x y

mx y

+ =+ =

4- lehdj.k 3 2 9x y+ = esa 3x= ds laxr y dk eku crkvksA

5- x v{k ij fLFkr og fcUnq Kkr dhft, tks lehdj.k 5x y+ = dks larq"V djrk gksA

6- y v{k ij fLFkr og fcUnq Kkr dhft, tks lehdj.k 2 5 10x y− = dks larq"V djrk gSA

7- lehdj.k 5 3 15,x y x+ = &v{k dks fdl fcUnq ij dkVrk gS\

8- ml fcanq ds funsZ'kad Kkr dhft, tgk¡ lehdj.k 2 7 14,x y (y&v{k½ dks dkVrk gSA

9- ml fcUnq dk y &funsZ'kkad D;k gS tks js[kk 3 5x y+ = ij fLFkr gS vkSj ftldk x&funsZ'kkad1 gSA

10- 3y = ds laxr] js[kk 5 7 0x y− − = ij fLFkr fcanq dk x funsZ'kkad Kkr dhft,A

11- lehdj.k 7 1x y+ = ij fLFkr fdUgha nks fcanqvksa dk x funsZ'kkad Kkr djksA

12- lehdj.k 2 3 5x y+ = ds dksbZ nks gy Kkr dhft,A

13- ;fn C vkSj F Øe'k% lsfYl;l vkSj QkjsugkbV Ldwyksa esa rkieku fu:fir djrs gSa rks uhpsfn[kyk;k x;k laca/k lR; gS%&

5( 32)

9C F= − ] ;fn 86F = rks

C dk eku Kkr dhft,A

Page 14: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

14 Maths-X (H)

14- fuEu js[kk,¡ fdl izdkj dh gSa %&

2 3 1 0,6 9 10 0x y x y+ − = + + = \

15- ,slk ,d nks pjksa okyk jSf[kd lehdj.k crkb, tks ewy fcanq ls xqtjrk gksA

16- K ds fdl eku ds fy, fn, x, lehdj.k fudk; ds vusd gy gSa\

4 3

12 3 3

x y

x y K

+ =+ =

17- lehdj.k fudk; 4 6 9, 2 3 11x y x y+ = + = − ds fdrus gy gSa\

18- ;fn fdlh lehdj.k fudk; dk dksbZ gy u gks rks ;g js[kk,a fdl izdkj dk vkys[k fu:firdjsaxh\

19- a ds fdl eku ds fy, fn, x, lehdj.k fudk; ds dksbZ gy ugha gSa%&

3 4 7 0

3 5 0

x y

ax y

− + =+ − =

20- ,d ,slk jSf[kd lehdj.k cukb, rkfd 1x = ] vkSj 2y ml js[kk ij fLFkr gksA

21- js[kk 2 2 4x x+ = + fdl v{k ds lekUrj gksxh\

22- js[kk,a 0x y− = vkSj 0x y+ = fdl fcUnq ij izfrPNsn djrh gSa\

23- p dk dkSu lk eku lehdj.k 2 5px y+ = dks lUrq"V djsxk ;fn 3x = vkSj 1y = gks\

24- fuEufyf[kr lehdj.k fudk;ksa esa ls x vkSj y dk eku Kkr djks%&

7

5 12 7

x y

x y

25- y dk dkSu lk eku nksuksa lehdj.kksa dks larq"V djsxk tcfd 1x = \

2 3

4 5

x y

x y

26- ml fcUnq ds funsZ'kkad Kkr dhft, ftl ij nksuksa js[kk,a 3 0x y+ = vkSj 5 2 0x y− = izfrPNsndjrh gSaA

Page 15: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

15 Maths-X (H)

27- lehdj.k 2 0x y

a b+ − = ] x&v{k vkSj y &v{k dks fdu fcanqvksa ij izfrPNsn djrk gS\

28- fuEufyf[kr vkd`fr esa nks fcanqvksa ds funsZ'kkad Kkr djks tks js[kk 5 3 15x y+ = ij fLFkr gksA

29- fuEu vkd`fr esa] , 2x y x= = vkSj x&v{k }kjk fufeZr f=Hkqt ds rhuksa 'kh"kksZ ds funsZ'kkad Kkr djksA

30- fuEu vkd`fr esa lehdj.k 1 0, 2 8x y x y− − = + = rFkk y &v{k }kjk fufeZr f=Hkqt ds vk/kkj dhyEckbZ D;k gksxh\

31- ;fn uko dh pky Bgjs ikuh esa 25 fdeh-@?kaVk gS vkSj /kkjk dh pky 5fdeh-@?kaVk gS rks ukodh /kkjk ds fo:) pky vkSj /kkjk ds lkFk pky D;k gksxh\

32- ,d O;fDr unh dh /kkjk ds vuqdwy 2 ?kaVs esa 20 fdeh- vkSj /kkjk ds izfrdwy fn'kk esa 2 ?kaVsesa 4 fdeh- ukSdk pyk ldrk gSA O;fDr }kjk fLFkj ty esa ukSdk pykus dh xfr vkSj /kkjk dh

Page 16: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

16 Maths-X (H)

xfr Kkr dhft,A

33- vkd`fr esa lehdj.k 2 8,8 3 24x y x y− = − + = vkSj x &v{k }kjk fufeZr f=Hkqt dk {ks=Qy KkrdjksA

34- nks vadks okyh la[;k Kkr dhft, ftlds vadks dk vuqikr 1 % 3 gS vkSj vadks dk ;ksx 8 gSA

35- ;fn f=Hkqt ds rhuksa dks.kksa dk vuqikr 1 % 2 % 3 gks rks f=Hkqt ds rhuks dks.kksa dk eki va'kksaesa crkb,A

36- ;fn f=Hkqt ds rhu dks.k , 2x x vkSj 2 5x + gks rks izR;sd dks.k dk eki Kkr djksA

37- ,d vk;rkdkj eSnku dk {ks=Qy 72 oxZ ehVj gS] mldh Hkqtk,¡ Kkr dhft, ;fn yEckbZ] pkSM+kbZls nqxquh gksA

38- ,d la[;k nwljh la[;k dh frxquh gS vkSj mldk ;ksx 16 gSA la[;k,¡ Kkr dhft,A

39- 3 dqflZ;ksa vkSj 2 estksa dk ewY; 2400 :- gSA ;fn ,d dqlhZ dk ewY; 400 :- gks rks ,d estdk ewY; D;k gS\

40- nks la[;kvksa dk ;ksx 35 rFkk mudk varj 13 gSA la[;k,¡ Kkr dhft,A

41- 35 eas dkSu lh la[;k tksM+h tk, fd og la[;k izkIr gks tks 35 ds vadks dks iyVus ij izkIrgksrh gS\

42- firk dh vk;q vius iq= dh vk;q dh rhu xquh gSA ckjg o"kZ i'pkr mldh vk;q vius iq= dhvk;q dh nqxquh gks tk,sxhA mu nksuksa dh orZeku vk;q crkb,A

43- ABC∆ esa 0A x∠ = ] 0B y∠ = rFkk 020C y∠ = + ] ;fn 050y x gks rks ABC∆ fdl izdkj

dk f=Hkqt gS\

44- nks vkWfM;ksa dSlsVksa rFkk rhu ohfM;ksa dSlsVksa dk ewY; 340 :- gSA rhu vkWfM;ksa dSlsVksa rFkk nks ohfM;ksadSlsVksa dk ewY; 260 :- gSA ,d vkWfM;ks dSlsV rFkk ohfM;ks dSlsV dk ewY; Kkr djksA

Page 17: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

17 Maths-X (H)

45- 15eh-×13eh- okys vk;r ds {ks=Qy esa gqbZ oqf) Kkr djks ;fn izR;sd Hkqtk eas 7 tksM+ fn;k tk,A

46- ,d O;fDr fLFkj ty esa 5 fdeh- izfr ?kaVk dh xfr ls uko pykrk gS] mls /kkjk ds vuqdwy 40fdeh- tkus esa ftruk le; yxrk gS mlls rhu xquk le; /kkjk ds izfrdwy 40 fdeh- tkus esayxrk gSA unh ds cgus dh xfr dh nj Kkr dhft,A

47- usgk vkSj mldh cM+h cgu jhek nksuksa dh vk;q dk ;ksx 60 o"kZ vkSj varj 10 o"kZ gSA mudh vk;qKkr djksA

48- ,d la[;k 15 ls mruh gh cM+h gS ftruh fd og 25 ls NksVh gSA la[;k crkb,A

49- ,d O;fDr ds ilZ esa dsoy 50 iSls vkSj 25 iSls okys flDds gSa] ftudk vuqikr 4 % 5 gS vkSjdqy ewY; 13:- gks rks mlds ikl izR;sd rjg ds fdrus flDds gSa\

50- fdlh fHkUu ds va'k esa 1 tksM+us ij vkSj mlds gj esa ls 1 ?kVkus ij 1 izkIr gksrk gSA ;fn mlds

gj esa 1 tksM+us ij fHkUu 1

2 gks tkrk gks rks fHkUu Kkr dhft,A

Page 18: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

18 Maths-X (H)

nks pjksa okys jSf[kd lehdj.k ¼v/;k;&3½mÙkjekyk

1- 2

2- x&v{k

3-1

3m ≠

4- 0y =

5- ¼5] 0½

6- ¼0]&2½

7- ¼3] 0½

8- ¼0]&2½

9- 2y =

10- 2x =

11- ¼1] 0½ ¼8] &1½

12- ¼1] 1½] ¼4] &1½

13- 30

14- lekarj

15- 0ax by

16- 3k =

17- dksbZ gy ugha gS

18- lekarj js[kk,a

19-9

4a

−=

20- 2 3 8x y− =

21- y &v{k

22- ewy fcanq ¼0] 0½

23- 1p =

24- 11, 4x y= = −

25- 1y = −

26- ¼0] 0½

27- (2 ,0), (0, 2 )a b

28- ¼3] 0½ ¼0] 5½

29- ¼0] 0½] ¼2] 0½] ¼2] 2½

30- 9 bdkbZ

31- 20 fdeh-@?kaVk] 30fdeh-@?kaVk

32- 6 fdeh-@?kaVk]4 fdeh-@?kaVk

33- 28 oxZ bdkbZ

34- 26 rFkk 62

35- 0 0 030 ,60 ,90

36- 0 0 035 ,70 ,75

37- 12 eh-] 6 eh-

38- 12 vkSj 4

39- 600 :-

40- 24] 11

41- 18

42- 36 o"kZ] 12 o"kZ

43- ledks.k f=Hkqt

44- 120:-

45- 245 oxZ eh-

46-1

22 fdeh-@?kaVk

47- 25 o"kZ] 35 o"kZ

48- 20

49- 50 iSls okys flDds =16] 25 iSls okys flDds= 20

50-3

5

Page 19: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

19 Maths-X (H)

v/;k;&4

f}?kkr lehdj.k

1- lehdj.k 3( ² 3) 5 9 ² 8x x x x dh ?kkr Kkr dhft,A

2- f}?kkr lehdj.k 2 ² 3 0x x K dk ,d ewy 1

2 gS rks K dk eku Kkr dhft,A

3- lehdj.k ( 4)( 5) 0x x+ − = ds nks ewy D;k gSa\

4- x ds nks eku Kkr djks tks f}?kkr lehdj.k 2 64 0x − = dks larq"V djrs gksaA

5- f}?kkr lehdj.k 23 5 2 0x x+ − = dk gy leqPp; Kkr dhft,A

6- f}?kkr lehdj.k 2( 2) 25 0x − − = ds gy Kkr dhft,A

7- f}?kkr lehdj.k 2 2 0ax abx− = dks gy dhft,A

8- f}?kkr lehdj.k 2 2 3 3 0y y+ + = dks gy dhft,A

9- f}?kkr lehdj.k 25 3 2 0z z− − = ds gy Kkr djksA

10- lehdj.k 2 22 0z az a+ − = dk gy leqPp; Kkr djksA

11- x dk og eku Kkr dhft, tks lehdj.k

44x

x+ = − ( 0)x ≠ dks larq"V djrk gSA

12- 22 7 0x x− = ds nks ewy D;k gSa\

13- f}?kkr lehdj.k 225 30 9 0x x− + = esa D dk eku Kkr djksA

14- lehdj.k 2( 5) 36 0x + − = ds nks ewy D;k gSa\

15- f}?kkr lehdj.k 29 15 4 0x x+ + = esa D dk eku D;k gSa\

16- p ds fdl eku ds fy, f}?kkr lehdj.k 2 – 4 0x x p+ = ds ewy okLrfod rFkk fHkUu gkssaxs\

Page 20: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

20 Maths-X (H)

17- og f}?kkr lehdj.k Kkr djks ftlds ewy 3 rFkk 4 gSaA

18- f}?kkr lehdj.k 2 0ax bx c+ + = ds nks ewy leku gSaA ewy crkb,A

19- f}?kkr lehdj.k 3 ² 2 2 2 3 0x x esa D dk eku Kkr djksA

20- p ds fdl eku ds fy, f}?kkr lehdj.k 2 4 1 0px x+ + = ds ewy leku gksaxs\

21- x dk dkSu lk eku f}?kkr lehdj.k 2 ( 5)( 3)x x x= + + dks larq"V djsxk\

22- ,d gky dh yEckbZ mldh pkSM+kbZ ls 10 eh- vf/kd gSA ml gky dh yEckbZ rFkk pkSM+kbZ Kkrdjks ftldk {ks=Qy 600 oxZ ehVj gSA

23- ;fn ,d iw.kZ la[;k rFkk mlds O;qRØe dk ;ksx 17

4 gS rks la[;k D;k gS\

24- ,d izkd`r la[;k rFkk mlds O;qRØe dk varj 3

2 gS] la[;k Kkr djksA

25- og f}?kkr lehdj.k Kkr djks ftldk ,d ewy 3 5− gksA

26- os nks Øekxr iw.kZ la[;k,¡ Kkr djks ftuds oxksZa dk varj 15 gSA

27- z ds nks eku Kkr djks tks f}?kkr lehdj.k 2 2 8 0z z+ − = dks larq"V djrs gSa\

28- ;fn fn;k x;k f}?kkr lehdj.k ,d iw.kZ oxZ gS rks D dk eku D;k gksxk\

29- og f}?kkr lehdj.k D;k gS ftlds ewy 2 3+ rFkk 2 3− gSa\

30- lehdj.k ( 2 )( 2 ) 4x a x b ab− − = ds ewyksa dh izd`fr D;k gSa\

31- p dk og eku Kkr dhft, ftlds fy, f}?kkr lehdj.k 24 8 0x x p+ − = ds ewy leku gksaxsA

32- f}?kkr lehdj.k ² 0x Kx b ds ewy &4 rFkk &5 gSaA K dk eku Kkr dhft,A

33- ;fn 22

12x

x+ = gks rks x dk eku Kkr djksA

34- 25 dks ,ssls nks Hkkxksa esa foHkkftr dhft, ftudk xq.kuQy 150 gksA

35- ,d vk;r dh ,d Hkqtk nwljh Hkqtk ls 3 lseh- vf/kd gSA ;fn vk;r dk {ks=Qy 180 oxZ lseh-gks rks nksuksa Hkqtk,¡ Kkr djksA

Page 21: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

21 Maths-X (H)

36- p rFkk q ds eku D;k gksaxs ;fn p vkSj q lehdj.k 2 0x px q+ + = ds ewy gksa\

37- ;fn ( 1)

782

n nS

+= = rks n dk eku Kkr djksA

38- f}?kkr lehdj.k 23 2 5 5 0x x+ − = ds ewy Kkr dhft,A

39- f}?kkr lehdj.k 2 11 0

2y y+ − = ds ewy Kkr dhft,A

40-3

4x

xx

+= esa x dk eku D;k gS\

41- x dk og eku Kkr djks tks lehdj.k 27

1 1169 13

x+ = + dks larq"V djrk gSA

42- rhu Øekxr ?kukRed iw.kkZaad ,sls gSa fd izFke ds oxZ vkSj vU; nks ds xq.kuQy dk ;ksx 29 gSAiw.kkZad Kkr dhft,A

43- k ds fdl eku ds fy, lehdj.k 25 20 ( 1) 0y y k− + − = ds ewy okLrfod vkSj leku gksaxs\

44- p dk og eku Kkr djks ftl ds fy, f}?kkr lehdj.k 22 3 0x x p+ + = ds ewy okLrfod gSaA

45- ik¡p o"kZ iwoZ jkew dh mez ¼o"kksZ esa½ vkSj ukS o"kZ ckn mldh mez ¼o"kksZ esa½ dk xq.kuQy 15 gSA jkewdh orZeku mez Kkr dhft,A

46- 3 ls vkjaHk djds] x Øekxr fo"ke izkd`r la[;kvksa dk ;ksx S fuEufyf[kr laca/k }kjk n'kkZ;ktkrk gS% ( 2)S n n= + ;fn ;ksx 168 gks] rks xdk eku Kkr dhft,A

47- ;fn 4x = − f}?kkr lehdj.k 2 4 0x px+ + = dk ewy gks rFkk lehdj.k 2 0x px k+ − = ds ewy

leku gks rks k dk eku Kkr djksA

48- ;fn , }h?kkr lehdj.k 3 ² 7 3 0x x ds ewy gksa rks dk eku crkb,A

49- ;fn , f}?kkr lehdj.k ² 2 – 8 0x x ds ewy gksa rks ² ² dk eku crkb,A

50- ;fn }h?kkr lehdj.k ² –16 0x mx dk ,d ewy nwljs ewy dk _.kkRed gks rks m dkeku Kkr dhft,A

Page 22: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

22 Maths-X (H)

f}?kkr lehdj.k ¼v/;k;&4½mÙkjekyk

1- 2

2- & 2

3- &4] 5

4- ± 8

5-1

{ , 2}3−

6- 3,7x = −

7- 0x = ;k 2x b=

8- 3, 3y = − −

9-2

1,5

−⎧ ⎫⎨ ⎬⎩ ⎭

10- ,2

aa

⎧ ⎫−⎨ ⎬⎩ ⎭

11- 2x = −

12-7

0,2

13- 0

14- 1] &11

15- 81

16- 4p

17- 2 7 12 0x x− + =

18-–b

a

19- 32

20- 4

21-15

8

22- 30 eh-] 20 eh-

23- 4

24- 2

25- 2 6 4 0x x− + =

26- 7] 8

27- &4] 2

28- 0

29- 2 4 1 0x x− + =

30- okLrfod vkSj vleku

31- &4

32- 9

33- ± 1

34- 15] 10

Page 23: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

23 Maths-X (H)

35- 12 lseh-] 15 lseh-

36- 1, 2p q= = −

37- 12

38-5

5,3

39-1 17 1 17

,4 4

− + − −

40-3

1,4

41- 1

42- 3] 4] 5

43- 21k =

44-9

8p ≤

45- 6 o"kZ

46- 12n =

47-9

4

48-4

–3

49- 20

50- 0

Page 24: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

24 Maths-X (H)

v/;k;&5

lekarj Js.kh

1- lekarj Js.kh 10] 8] 6] 4] 2 - - - - dk lkoZ varj Kkr djksA

2- ;fn lekarj Js.kh dk 7ok¡ vkSj 6ok¡ in 25 vkSj 32 gS rks d dk eku D;k gSa\

3- lekarj Js.kh 3] 5] 7] - - - - dk 6ok¡ in Kkr djksA

4- ;fn 1] 4] 7] 10] 13 - - - - lekarj Js.kh gSa rks d Kkr djksA

5- lekarj Js.kh &1] 2] 5] 8] 11 - - - - dk lkoZ varj Kkr djksA

6- le la[;kvksa }kjk cuh lekarj Js.kh dk lkoZ varj D;k gS\

7- lekarj Js.kh dk 11ok¡ in Kkr dhft, ftlds izFke nks in &3 vkSj 4 gSaA

8- ;fn 2 1nt n rks Js.kh Kkr dhft,A

9- ;fn 2 5a = vkSj 3 9a = rks 5t Kkr djksA

10- lekarj Js.kh 5] 2] &1] &4] &7] - - - -] dk nok¡ in Kkr djksA

11- lekarj Js.kh 3] 7] 11] 15] - - - - ds rhljs vkSj vkBosas in esa D;k vUrj gS\

12- ;fn fdlh lekarj Js.kh dk igyk in 3 vkSj 11ok¡ in 43 gks rks lkoZ varj Kkr djksA

13- ;fn fdlh lekarj Js.kh dk pkSFkk vkSj vkBoka in Øe'k% 11 vkSj 23 gks rks a vkSj d Kkr djksA

14- lekarj Js.kh dk igyk in &2 vkSj 10oka in 28 gSA d ¼lkoZ varj½ dk eku D;k gS\

15- lekarj Js.kh dk 16oka in Kkr djks ;fn 15a = rFkk 2d = −

16- lekarj Js.kh dk 8ok¡ in Kkr djks ftldk rhljk in &5 vkSj loZ varj 4 gSA

17- lekarj Js.kh 3] 7] 11] 15] - - - - dk dkSu lk in mlds 6osa in ls 20 vf/kd gksxk\

18- lekarj Js.kh ds izFke in esa fdruh ckj d tksM+k tk, fd 29ok¡ in izkIr gks\

19- lekarj Js.kh &4] &1] 2] 5] 8] 11] 14] 17] 20] - - - - ] 54 ds var ls pkSFkk in Kkr djksA

Page 25: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

25 Maths-X (H)

20- lekarj Js.kh dh Ja[kyk ds inksa dk ;ksxQy 128 gSA ;fn izFke in 2 gS vkSj vafre in 14 gSrks Ja[kyk ds inksa dh la[;k Kkr djksA

21- lekarj Js.kh ftldk nok¡ in 9 5n− gS ds fy, d dk eku Kkr djksA

22- ;fn 5, 1a d= = − rks lekarj Js.kh dk dkSu lk in 'kwU; gksxk\

23- 10 rFkk 250 ds chp fdrus 4 ds xq.kt gSa\

24- lekarj Js.kh 3] 7] 11] - - - - ds izFke 5 inksa dk ;ksxQy Kkr dhft,A

25- ;fn nS vkSj 1nS − fn;k gks rks 1n nS S −− D;k gS\

26- lekarj Js.kh 117] 104] 91] 78 - - - - dk 10ok¡ in Kkr djksA

27- ;fn lekarj Js.kh dk lkoZ varj 5 gS rks 15osa vkSj 11osa in dk vUrj Kkr djksA

28- 184 esa D;k tksM+k tk, fd og lekUrj Js.kh 3] 7] 11] _] _] _ dk in cu tk,aA

29- fdlh lekarj Js.kh dk lk¡roka in 32 gS rFkk mldk 13ok¡ in 62 gSA lekarj Js.kh Kkr djksA

30- lekarj Js.kh 5] 9] 13] 17] 21] 25] 29] - - - - ] 41 esa dqy inksa dh la[;k Kkr djksA

31- lekarj Js.kh 1] 4] 7] 10] - - - - ] 61 esa inksa dh la[;k Kkr djksA

32- ;fn jtuh dkj }kjk jksfg.kh ls yktir uxj 30 fdeh-@?kaVk dh pky ls tkrh gS vkSj izR;sd?k.Vs ds ckn og pky dks 5 fdeh-@?kaVk c<+k nsrh gS rks crkb, 4 ?k.Vs ckn dkj dh pky D;kgksxh\

33- lekarj Js.kh 1 $ 3 $ 5 $- - - - $ 29 ds lHkh inksa dk ;ksxQy Kkr djksA

34- izFke 10 izkd`frd la[;kvksa dk ;ksxQy Kkr djksA

35- rhu ds igys ik¡p xq.ktksa dk ;ksxQy D;k gS\

36- ;ksxQy Kkr djks% 2 $ 6 $ 10 $ 14 $ - - - - $ 34-

37- lekarj Js.kh 2 $ 4 $ 6 $ - - - - dk ninksa rd ;ksxQy Kkr djksA

38- ;fn lekarj Js.kh ds rhu Øekxr in ,a d a− vkSj a d+ gS ftudk ;ksx 54 vkSj lkoZ varj

7d gks rks rhuksa in Kkr djksA

39- lekarj Js.kh Kkr djks ftldk 15ok¡ in] 13osa in ls 10 vf/kd gS rFkk izFke in 5 gSA

Page 26: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

26 Maths-X (H)

40- ;fn 2 2t = vkSj 7 22t = rks lekarj Js.kh ds izFke 10 inksa dk ;ksxQy Kkr djksA

41- ' 'k dk eku Kkr djks rkfd 8 4,6 2, 2 7k k k+ − − lekarj Js.kh ds rhu Øekxr in gksA

42- ;fn fdlh lekarj Js.kh ds izFke ' 'n inksa dk ;ksx 23 2n n+ gS rks nok¡ in Kkr djksA

43- ,d lekarj Js.kh &9] &14] &19] &24] - - - - ds fy, 30 20t t− Kkr djksA

44- ;fn ,d lekarj Js.kh dk 7ok¡ in 'kwU; gS rks blds 17osa rFkk 37osa in esa D;k laca/k gksxk\

45- ,d lekarj Js.kh dk 9ok¡ in 'kwU; gS rks mldk 29ok¡ in rFkk 19osa in dk vuqikr Kkr djksA

46- ,d vkneh us 10 o"kZ eas 16]500 :i;s dh cpr dhA izR;sd o"kZ og fiNys o"kZ ls 100 :i;svf/kd cpr djrk gSA mlus igys o"kZ esa fdruh cpr dh gksxh\

47- ik¡p ds izFke 100 xq.ktksa dk ;ksx Kkr djksA

48- lekarj Js.kh 1 $ 3 $ 5 $ 7 $ - - - - $ 199 dk ;ksxQy Kkr dhft,A

49- k dk eku Kkr dhft, ;fn lekarj Js.kh ;fn lekarj Js.kh &1] &3] &5] &7] - - - - dk k ok¡in &151 gksA

50- ,d Js.kh ds n inksa dk ;ksx 2 2n n+ gS ¼nds lHkh ekuksa ds fy,½A Js.kh dk rhljk in Kkrdhft,A

Page 27: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

27 Maths-X (H)

37- ( 1)n n +

38- 11] 18] 25

39- 5] 10] 15] - - - -

40- 160

41-1

2

42- 6 1n −

43- & 50

44- frxq.kk

45- 2 % 1

46- 1]200 :-

47- 25250

48- 10]000

49- 76

50- 7

lekarj Js.kh ¼v/;k;&5½mÙkjekyk

1- &2

2- &7

3- 13

4- 3

5- 3

6- 2

7- 67

8- 3] 5] 7] - - - - ]

9- 17

10- 8 3n−

11- 20

12- 4

13- 2, 3a d

14-10

3

15- &15

16- 15

17- 11ok¡

18- 28

19- 45

20- 16

21- &5

22- 6ok¡

23- 60

24- 55

25- nt

26- 0

27- 20

28- 3

29- 2] 7] 12] - - - - ]

30- 10

31- 21

32- 50 fdeh-@?kaVk

33- 225

34- 55

35- 45

36- 162

Page 28: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

28 Maths-X (H)

v/;k;&6

le:i f=Hkqt

1- le:i vkd`frvksa dk ;qXe pquksA

(a) (b) (c) (d)

2- nh xbZ vkd`fr;ksa esa ,ABC DEF x∆ ∆∼ dk eku Kkr djksA

3- nh xbZ vkd`fr;ksa esa ,PQR XYZ Y∆ ∆ ∠∼ rFkk Z∠ dk eku Kkr djksA

4- ABC∆ esa ,PQ BC CQ dk eku Kkr djksA

5- nh xbZ vkd`fr;ksa esa le:i f=Hkqtksa ds uke crkvksA

A

B C

2 lsa-eh- 3 lsa-eh-

4 lsa-eh-

D

E F

4 lsa-eh- 6 lsa-eh-

x

P

Q R

40°

60°

X

Y Z

A

B C

P Q1-5 lsa-eh- 3 lsa-eh-

3 lsa-eh-

A

B C

D

E F

80°

60°

60°

80°

Page 29: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

29 Maths-X (H)

6- nh xbZ vkd`fr;ksa esa ,ACB ECD B∼ Kkr djksA

7- nh xbZ vkd`fr;ksa eas ,ABC DEF F ∼ Kkr djksA

8- nh xbZ vkd`fr;ksa esa ;fn ABC DEF ∼ rks BC

EF Kkr djksA

9- nh xbZ vkd`fr;ksa esa ( )

( )

ar PQR

ar LMN

∆∆ Kkr djksA

10- nh xbZ vkd`fr esa ,AD A∠ dk lef}Hkktd gS] AB

AC Kkr djksA

A

B C

D

E F

50°

68°

A

B C

D

E F

1-8 lsa-eh- 3-2 lsa-eh- 3-6 lsa-eh- 6-4 lsa-eh-

P

Q R

L

M N

3 lsa-eh- 3 lsa-eh- 5 lsa-eh- 5 lsa-eh-

3 lsa-eh- 5 lsa-eh-

A

B C2-5 lsa-eh- 1-5 lsa-eh-D

A B

C

E D

100°

30°

Page 30: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

30 Maths-X (H)

11- nh xbZ vkd`fr;ksa esa M∠ Kkr djksA

12- nh xbZ vkd`fr esa S PRQ∠ = ∠ ] MN QR le:i f=Hkqtksa ds uke crkvksA

13- BAC∆ ,d lef}ckgq f=Hkqt gS ftlesa AB AC= rFkk ,AD BAC∠ dk lef}Hkktd gS] BD

CDKkr

djksA

14 vkd`fr esa ,PT QPR∠ dk lef}Hkktd gS] TR Kkr djksA

15- ABC∆ rFkk DEC∆ ledks.k f=Hkqt gSa] ftlesa 090 ,B E BE∠ = ∠ = Kkr djksA

16- ABC∆ esa DE BC rFkk 2

, :3

ADAE AC

DB Kkr djksA

A

C D

M

L N

4 lsa-eh- 4-2 lsa-eh- 4 lsa-eh- 4-2 lsa-eh-

5 lsa-eh- 5 lsa-eh-

60°

A

B CD

A D

B EC

13cm5cm 4cm5cm

P

Q

S

R

TM

N

Page 31: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

31 Maths-X (H)

17- nh xbZ vkd`fr esa PQ MN A ;fn 4

13

KP

PM= rFkk 26QN = rks KQ Kkr djksA

18- nks le:i f=Hkqtksa ABC rFkk PQR ds ifjeki Øe'k% 36 lseh- rFkk 24 lseh- gSaA ;fn 10PQ = lseh-gks rks AB Kkr djksA

19- nh xbZ vkd`fr eas : 1: 3, : 1: 3AD DB AE EC= = rFkk : 1: 4BF FC = crkb, fd dkSu lh nksjs[kk,¡ lekarj gSA

20- vkd`fr esa DE BC ;fn 5AD BD= rFkk 1.6EC = lseh- rks AE Kkr djksA

21- ABC∆ esa DE BC ;fn 6AD = lseh-] 9DB = lsa-eh- rFkk 8AE = lseh- rks AC Kkr djksA

22- uhps nh xbZ vkd`fr esa x dks ,a b rFkk c ds :i esa O;Dr djksA

Page 32: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

32 Maths-X (H)

23- nh xbZ vkd`fr esa ABO DCO∆ ∆∼ ;fn 3AB = lseh-] 2CD = lseh-] 3.8OC = lseh-] rFkk

3.2OD = lseh- rks OA Kkr djksA

24- nh xbZ vkd`fr esa P rFkk Q ] ABC∆ dh Hkqtkvksa Øe'k% AB rFkk AC ij fcUnq gSA ;fn

4PQ = lseh- rks BC Kkr djksA

25- nh xbZ vkd`fr eas ,AD BAC∠ var% lef}Hkktd gSA ;fn 6AB = lseh-] 4AC = lseh-] 2.4BD = lseh-rks BC Kkr djksA

26- nh xbZ vkd`fr esa ,AX BAC∠ dk lef}Hkktd gSA ;fn 3AB = lseh-] 4AC = lseh-] 5BC = lseh-rks BX Kkr djksA

27- ,d f=Hkqt dh Hkqtkvksa dh yackbZ 12lseh-] 16lseh-] rFkk 21lseh- gS lcls cM+s dks.k dk lef}Hkktdmldh lEeq[k Hkqtk dks nks Hkkxksa esa foHkkftr djrk gSA nksuks Hkkxksa dh yEckbZ Kkr djksA

28- ,d f=Hkqt esa dks.k dk var% lef}Hkktd lEeq[k Hkqtk dks nks cjkcj Hkkxksa esa ck¡Vrk gSA Kkr dhft,fd ;g fdl izdkj dk f=Hkqt gSA

Page 33: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

33 Maths-X (H)

29- f=Hkqt ABC rFkk f=Hkqt DEF le:i gSA ;fn 10AB = lseh-] 8DE = lseh- rks ABC∆ rFkk

DEF∆ ds {ks=Qyksa dk vuqikr Kkr djksA

30- vkd`fr esa AD Kkr djksA

;fn ADB CAB∼

31- nh xbZ vkd`fr esa 6PR = lseh- rFkk ,AB QR BP Kkr djksA

32- nh xbZ vkd`fr esa] ;fn PQ BC rFkk , 4PR CD AR = lseh-] 16AD = lseh- vkSj 3AQ = lseh-rks AB Kkr djksA

33- ,d lh<+h bl izdkj j[kh xbZ gS fd bldk vk/kkj nhokj ls 5lseh- dh nwjh ij gS rFkk 'kh"kZ Hkwfels 12 lseh- Å¡ph f[kM+dh rd igq¡prk gSA lh<+h dh yEckbZ Kkr djksA

34- nh xbZ vkd`fr esa BP CF rFkk ,AD

DP EFDE

Kkr djksA

35- nh xbZ vkd`fr esa fcUnq P js[kk [k.M AB dks var% foHkkftr djrk gSA :PA PB dk eku D;kgS\

Page 34: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

34 Maths-X (H)

36- leyEc prqHkqZt ABCD esa AB CD rFkk 2AB CD= fod.kZ AC rFkk BD fcUnq O ij dkVrs

gSaA ;fn ( ) 84ar AOB∆ = oxZ lseh- gks rks ( )ar COD∆ Kkr djksA

37- vkd`fr esa DE BC rFkk : 2 : 3, ( ) : ( )AD DB ar ADE ar ABC= ∆ ∆ Kkr dhft,A

38- ,AD ABC∆ dh ekf/;dk gSA DE rFkk ,DF ADB∠ rFkk ADC∠ ds lef}Hkktd gS tks Hkqtk ABrFkk AC dks Øe'k% E rFkk F ij feyrs gSA ;fn 3AE = lseh-] 4BE = lseh-] 15AF = lseh-rks FC Kkr djksA

39- vkd`fr esa x dk eku Kkr djsa ;fn DE BC

40- vkd`fr esa x dk eku Kkr djksA

41- ABC∆ ,d lef}ckgq f=Hkqt gS ftlesa 090C∠ = ] ;fn 6AC = lseh- rks 2AB Kkr djksA

42- vkd`fr esa 8AB = lseh-] 12BC = lseh- rFkk 6AE = lseh- vk;r BCDE dk {ks=Qy Kkr djksA

Page 35: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

35 Maths-X (H)

43- ,d leckgq ABC∆ dh izR;sd Hkqtk ' 'a gSA f=Hkqt ABC dh Å¡pkbZ Kkr djksA

44- ,d yM+dk 15eh- iwoZ fn'kk dh vksj vkSj fQj 20lseh- mÙkj fn'kk dh vksj tkrk gSA og izkjEfHkdfcUnq ls fdruh nwjh ij gSaZ\

45- dh Hkqtk,¡ AB 5lseh-] 2BC lsa-eh- rFkk 29AC lSa-eh- gSSA B dk eku crkb,A

46- vkd`fr esa x dk eku Kkr djksA

47- vkd`fr esa] ;fn AB BD

AC CD= rks ABD∠ Kkr djksA

48- ;fn , ( ) 100ABC DEF ar DEF∼ lseh2] rFkk 1

2

AB

DE= rks ABC∆ dk {ks=Qy Kkr djksA

49- ,d leprqHkqtZ ABCD ftldh Hkqtk 4lseh- gS ds fod.kZ AC rFkk BD ijLij fcUnq O ijlef}Hkkftr djrs gSaA 2 2AC BD+ dk eku Kkr djksA

50- nks le:i f=Hkqtksa ds laxr 'kh"kZyEc Øe'k% 7lseh- vkSj 8lseh- gSA nksuksa f=Hkqtksa ds {ks=Qyksa dkvuqikr Kkr djksA

Page 36: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

36 Maths-X (H)

le:i f=Hkqt ¼v/;k;&6½mÙkjekyk

1- ( )a vkSj ( )c

2- 8lseh-

3- 0 060 , 80Y Z∠ = ∠ =

4- 6lseh-

5- ABC FDE∆ ∆∼

6- 070

7- 062

8-1

2

9-9

25

10-5

3

11- 060

12- PQR PTS∆ ∆∼ ∼ PMN

13- 1

14- 3-6lseh-

15- 15lseh-

16- 2 % 5

17- 8

18- 15lseh-

19- DE BC

20- 8 lseh-

21- 20 lseh-

22-ac

b c+

23- 4-8 lseh-

24- 12 lseh-

25- 4 lseh-

26-15

7

27- 9lseh-] 12lseh-

28- lef}ckgq f=Hkqt

29-25

16

30- 1-5 lseh-

31- 2 lseh-

32- 12 lseh-

33- 13 lseh-

34- 1 % 3

35- 2 % 3

36- 21 oxZ lseh-

37- 4 % 25

38- 20 lseh-

39- 11x =

40- 4 lseh-

41- 72 lseh-

42- 120 lseh2

43-3

2a

44- 25 lseh-

45- 90°

46- 10 lseh-

47- 040

48- 25lseh-2

49- 64 lseh-

50- 49 % 64

Page 37: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

37 Maths-X (H)

v/;k;&7

funsZ'kkad T;kfefr

1- fcUnq ¼&10] 2½ fdl prqFkkZa'k ¼Quadrant½ esa fLFkr gSa\

2- ¼0] 2½ rFkk ¼0] &5½ nks fcUnqvksa ds funsZ'kkad gSa tks &&&&&&&&&&&&&&&

v{k ij fLFkr gSaA

3- fcUnq ( , )P x y dh ewy fcanq ¼0] 0½ ls nwjh Kkr djksA

4- fcUnq ¼6] &2½ rFkk ¼4] 8½ dks feykus okys js[kk[kaM ds e/; fcUnq ds funsZ'kkad D;k gSa\

5- ¼&7] 6½] ¼8] 5½ rFkk ¼2] &2½ fcUnqvksa ls cus f=Hkqt ds dsUnzd ds funsZ'kkad D;k gSa\

6- ml fcanq dk x& funsZa'kkd Kkr djks tks fcUnqvksa ¼1] 2½ rFkk ¼2] 3½ dks feykus okys js[kk[kaM dks4 % 3 ds vuqikr esa var% foHkkftr djrk gSA

7- ml fcUnq ds funsZ'kkad Kkr dhft, tks fcUnqvksa ¼&4] 0½ rFkk ¼0] 6½ dks feykus okys js[kk[kaM dks1 % 3 ds vuqikr esa var% foHkkftr djrk agSA

8- f=Hkqt dk rhljk 'kh"kZ Kkr dhft,] ;fn mlds nks 'kh"kZ ¼&1] 4½ rFkk ¼5] 2½ gks vkSj mldk dsUnzd¼0] &3½ gksA

9- (1,0)A rFkk (5,3)B nks fcUnq gks rks js[kk[kaM AB dh yackbZ crkb,A

10- ;fn A vkSj B fcUnqvksa ds funsZ'kkad ¼2] 7½ rFkk ¼&2] 4½ gks rks js[kk[kaM AB dh yackbZ KkrdjksA

11- fcanq ¼8] &2½ dk ewy fcUnq ls nwjh Kkr djks\

12- f=Hkqt ds dsUnzd ds funsZ'kkad Kkr djks ftlds 'kh"kZ ¼&2] &3½] ¼&1] 0½ rFkk ¼7] &6½ gSaA

13- fcanqvksa ¼&3] 2½ rFkk ¼1] &2½ ds chp dh nwjh D;k gSa\

14- f=Hkqt ABC dk {ks=Qy Kkr djks ftlds 'kh"kZ 1 1 2 2( , ), ( , )A x y B x y rFkk 3 3( , )C x y gSA

15- ml fcanq ds funsZ'kkad Kkr djks tks ¼3] 5½ rFkk ¼7] 9½ dks feykus okys js[kk[kaM dks 2 % 3 dsvuqikr esa var% foHkkftr djrk gSA

16- fcanq ¼0] 2½ dk fcUnqvksa ¼4] 10½ rFkk ¼2] 2½ dks feykus okys js[kk[kaM ds e/; fcanq ls nwjh KkrdjksA

Page 38: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

38 Maths-X (H)

17- fcanq P ds funsZ'kkad ¼&3] 2½ gSaA fcanq ,Q P vkSj ewyfcanq dks tksM+us okyh js[kk ij bl izdkj gS

fd ,O P O Q fcanq Q ds funasZ'kkad Kkr dhft,A

18- ;fn ¼0] 1½ rFkk ¼4] &2½ dks feykus okyk js[kk[kaM] AB rFkk ¼1] 2½ rFkk ¼6] &4½ dks feykusokyk js[kk[kaM CD gks rks ² – ²CD AB dk eku crkb,A

19- fcanqvksa ¼&2] &3½ rFkk ¼5] 6½ dks feykus okyk js[kk[kaM x&v{k }kjk fdl vuqikr esa foHkkftrgksxk\

20- prqHkqZt ABCD ds fodZ.kksa AC rFkk BD dh yEckb;ksa dk ;ksx Kkr dhft, ;fn A ¼3] 0½]

B ¼5] 3½] C ¼0] 7½ rFkk ( 2,0)D gSaA

21- AB vkSj BC dh yEckb;ksa dk ;ksx Kkr dhft, ;fn ,A B vkSj C ds funsZ'kkad Øe'k%¼1] 2½ ¼&2] &2½ rFkk ¼4] 6½ gSaA

22- ;fn fcanqvksa (5, )k rFkk ( , )k k ls fcanq P ¼0] 3½ dh nwjh cjkcj gksa] rks k dk eku Kkr djksA

23- ¼&2] 4½ rFkk ¼&4] 3½ dh nwjh Kkr dhft,A

24- fcanqvksa ¼3] 0½] ¼0] 4½ rFkk ¼0] 0½ ls cus f=Hkqt dk {ks=Qy D;k gSa\

25- ml fcanq ds funsZ'kkad Kkr djks tks x&v{k ij fLFkr gS vkSj ftldh ewy fcanq ls nwjh 13bdkbZ gSA

26- fdlh o`Ùk ds O;kl dk ,d fljk ¼2] 3½ gS vkSj dsanz ¼&2] 5½ gSA bl O;kl ds nwljs fljs dsfunsZ'kkad D;k gSa\

27- fcanqvksa A ¼0] 6½] B ¼8] 0½ rFkk C ¼4] 2½ ls cus f=Hkqt dh ekf/;dk AD dh yEckbZ Kkr djksA

28- xqqatu 12 eh- iwoZ dh vksj pyrh gS vkSj fQj 5 eh- mÙkj dh vksjA xqqatu ewy fcanq ls fdruhnwjh ij gS\

29- ,d leckgq f=Hkqt A B C ftldh Hkqtk 10lseh- gS dk vk/kkj ,BC x &v{k ij bl izdkj fLFkrgS fd vk/kkj dk e/; fcanq] ewy fcanq ij gS] fcUnq B ds funsZa'kkad Kkr djksA

30- fcanqvksa ¼0] 0½] ¼2] 0½ rFkk ¼0] 3½ ls cus vk;r ds pkSFks 'kh"kZ ds funsZ'kkad Kkr djksA

31- ;fn ,P Q vkSj R ds funsZ'kkad ¼6] &2½] ¼1] 3½ rFkk ¼ x ] 8½ gks rks x dk eku Kkr dhft,

;fn fcUnw ,Q PR dk e/; fcanq gksA

32- fcanqvksa ¼3] &4½ vkSj ¼1] 2½ dks tksM+us okyk js[kk[kaM fcUnw P vkSj fcUnw Q ij f=Hkkftr gksrkgSA P ds funsZ'kkad Kkr djksA

Page 39: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

39 Maths-X (H)

33- ;fn fcanq A ¼5] y ½] B ¼1] 5½] C ¼2] 1½ rFkk D ¼6] 2½ oxZ ds 'kh"kZ gks rks y dk eku KkrdjksA

34- f=Hkqt dk rhljk 'kh"kZ Kkr dhft, ;fn A ¼3] 2½ vkSj B ¼&2] 1½ f=Hkqt ABC ds nks 'kh"kZ gks

ftlds dsUnzd G ds funsZ'kkad 5 1

,3 3

−⎛ ⎞⎜ ⎟⎝ ⎠

gSaA

35- f=Hkqt ABC dk {ks=Qy Kkr djks ;fn 'kh"kZ ,A B rFkk C lajs[k gksA

36- fcanqvksa ¼6] 4½ vkSj ¼1] &7½ dks feykus okyk js[kk[kaM x&v{k }kjk fdl vuqikr esa var% foHkkftrgksxk\

37- le prqZHkqt ds rhu Øfed 'kh"kZ ¼&2] &1½] ¼3] 4½ vkSj ¼&2] 3½ gSaA pkSFkk 'kh"kZ Kkr djksA

38- f=Hkqt dk rhljk 'kh"kZ Kkr djks] ;fn mlds nks 'kh"kZ ¼&3] 1½] ¼0] &2½ gSa vkSj mldk dsUnzd ewyfcanq ij gSA

39- ¼3 p ] 4½ vkSj ¼&2] 2q ½ dks tksM+us okys js[kk[kaM dk e/; fcanq ¼2] 6½ gSA p dk eku Kkr djksA

40- fcanqvksa A ¼&4] 4½ vkSj B ¼7] 7½ dks tksM+us okyh js[kk fcanq ¼0] &1½ }kjk fdl vuqikr esa foHkDrgksxh\

41- ,P x v{k ij ,d fcanq gS ftldh ewy fcanq ls nwjh 3 bdkbZ gSA y v{k ij fcanq Q Kkr dhft,

rkfd OP OQ=

42- fcanqvksa ¼&4] 0½ vkSj ¼0] 6½ dks feykus okyk js[kk[kaM ,P Q rFkk R ij pkj cjkcj Hkkxksa esa foHkkftr

gksrk gSA fcUnw Q ds funsZ'kkad Kkr djksA

43- vkd`fr esa] ,M AB dk e/; fcanq gSA B ds funsZ'kkad Kkr djksA

44- k dk eku Kkr dhft, ;fn fcanqvksa ¼ k ] 5½ rFkk ¼4] 5½ ds chp dh nwjh 5 gksA

45- fcanq ¼0] &1½] ¼2] 1½] ¼0] 3½ vkSj ¼&2] 1½ ,d oxZ ds fljs gSaA oxZ dh Hkqtk Kkr djksA

46- ;fn ¼ ,p q ½ fcanqvksa ¼5] 3½ vkSj ¼&2] &4½ dks feykus okys js[kk[kaM dk e/; fcanq rks p q+ dk

A(1, 1)

(–2, 3)M N

B C

Page 40: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

40 Maths-X (H)

eku Kkr djksA

47- vkd`fr esa ABCD ,d leprqHkZt gSA fcanqq D ds funsZ'kkad Kkr djksA

48- pkSFks fcanq B ds funsZ'kkad Kkr djks rkfd OABC ,d oxZ cus vkSj O ] A vkSj C ds funsZ'kkad¼0] 0½] ¼3] 0½ vkSj ¼0] 3½ gksA

49- ;fn fdlh lekarj prqHkZt ds nks 'kh"kZ ¼3] 2½ vkSj ¼&1] 0½ gS rFkk fod.kZ fcanq ¼2] &5½ ij dkVrsgSa] rks lekarj prqHkqZt ds vU; 'kh"kksZa ds funsZ'kkad Kkr dhft,A

50- x&v{k ij fLFkr fcanq ds funsZ'kkad Kkr dhft, tks fcanqvksa ¼&2] 5½ rFkk ¼2] &3½ lslenwjLFk gSA

O

A

B

C

(a, 0)

(–a, 0)

(0, – 3 )a

Page 41: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

41 Maths-X (H)

funsZ'kkad T;kfefr ¼v/;k;&7½mÙkjekyk

1- nwljs prqZnk'ka

2- y

3- 2 2x y+ bdkbZ

4- ¼5] 3½

5- ¼1] 3½

6-11

7

7- ¼&3] 1-5½

8- ¼&4] &15½

9- 5

10- 5

11- 68 bdkbZ

12-4

, 33

⎛ ⎞−⎜ ⎟⎝ ⎠

13- 4 2 bdkbZ

14- ( ) ( ) ( )1 2 3 2 3 1 3 1 2

1

2x y y x y y x y y− + − + −⎡ ⎤⎣ ⎦

15-23 33

,5 5

⎛ ⎞⎜ ⎟⎝ ⎠

16- 5 bdkbZ

17- ¼3] &2½

18- 36

19- 1 % 2

20- 2 58 bdkbZ

21- 15 bdkbZ

22- 5

23- 5

24- 6 oxZ bdkbZ

25- ¼13] 0½ ;k (–13, 0)

26- ¼&6] 7½

27- 61 bdkbZ

28- 13 eh-

29- ¼&5] 0½

30- ¼2] 3½

31- &4

32-7

, 23

⎛ ⎞−⎜ ⎟⎝ ⎠

Page 42: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

42 Maths-X (H)

33- 6

34- ¼4] &4½

35- 'kwU;

36-4

7

37- (–7, –2)

38- ¼3] 1½

39- 2

40-4

7

41- ¼0] 3½ ;k (0, –3)

42- ¼&2] 3½

43- ¼&5] 5½

44- 9 ;k (–1)

45- 8 bdkbZ

46- 1

47- ( )0, 3a

48- ¼3] 3½

49- ¼1] &12½] ¼5] &10½

50- ¼&2] 0½

Page 43: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

43 Maths-X (H)

v/;k;&8

f=dks.kfefr rFkk blds vuqiz;ksx

1- ;fn 2sinx θ= vkSj 2cos 1y θ= + ] rks x y+ dk eku Kkr djksA

2- ;fn 2sec (1 sin )(1 sin ) kθ θ θ+ − = rks k dk eku Kkr dhft,A

3- 0 0 0 0sin 20 sin 70 cos 20 cos 70− dk eku Kkr dhft,A

4- ;fn 0tan tan 45 1θ = rks θ dk eku Kkr dhft,A

5- 2 0 2 0sin 10 sin 80+ dk eku fudkfy,A

6- ;fn 3

cos5

A = rks 2 2tan secA A− dk eku Kkr dhft,A

7- ;fn sin 2 cos3A A= rks A dk eku Kkr dhft,A

8- ;fn 0tan – tan 90 0 rks θ dk eku Kkr dhft,A

9- fuEu dks iwjk dhft,%&

fdlh f=Hkqt esa 'kh"kZyEc ds ikl okyk dks.k mlls nwj okys dks.k ls &&&&&&&&&&&&&&&

gksrk gSA

10- vkd`fr esa] ABC∆ dk {ks=Qy Kkr djsa ;fn 0 090 , 45ABC ACB∠ = ∠ = vkSj 8BC = lseh-A

11- vkd`fr;ksa esa] voueu dks.k dk uke crk,¡A

Page 44: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

44 Maths-X (H)

12- ;fn 23sec 1x θ= − vkSj 23 tan 2y rks x y− dk eku Kkr dhft,A

13- ;fn 2 cosx ecθ= vkSj 2

cotx

θ= rks 2

2

14 x

x⎛ ⎞−⎜ ⎟⎝ ⎠

dk eku Kkr dhft,A

14- ;fn 3

sin5

θ = rks 5cos sinθ θ× dk eku Kkr djsaA

15- ;fn 12

tan5

θ = rks 13sin

3

θ dk eku Kkr djsaA

16-0

2 0 2 00

cos 392(sin 5 sin 85 )

sec51

ec+ + dk eku Kkr djsaA

17- 2 0 2 0 2 0 2 0cos 15 cos 25 cos 65 cos 75+ + + dk eku Kkr djksA

18- 2 0 2 0sin 10 sin 80+ dk eku Kkr djksA

19- 2 0 2 0cos 67 – sin 23 dk eku Kkr djksA

20- 0 0 0 0tan10 tan 20 tan 70 tan 80 dk eku Kkr dhft,A

21- 0 0cos sec(90 ) cot tan(90 )ecA A A A− − − dk eku Kkr djksA

22-3

3

sin sin

cos cos

θ θθ θ−−

dk eku Kkr dhft,A

23- ;fn 1

tan3

α = rFkk 1

sin2

β = rks α β+ dk eku Kkr dhft,A

24- ;fn cos 2ecθ = vkSj cot 3kθ = rks k dk eku Kkr djksA

25- ;fn 2 3cos

2ec θ = rks 2 22(cos cot )ec θ θ+ dk eku Kkr djsaA

26- ;fn tan 4θ = rks 2 21(tan 2sec )

10θ θ+ dk eku Kkr dhft,A

27- ;fn 1

sin3

θ = rks 2 22cos cot 1ec θ θ+ + dk eku Kkr djsaA

Page 45: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

45 Maths-X (H)

28- ;fn 3

cos2

θ = rks 2 28sec tan 1θ θ+ + dk eku Kkr djsaA

29- ;fn 2 2 2 2 2 21 2sin cos sin cos 4 sin coskθ θ θ θ θ θ+ = + + rks k dk eku Kkr djksA

30- ;fn 2 0 2 0

2 0 2 0

cos 20 cos 70 2

2(sin 59 sin 31 ) k

+=

+ rks k dk eku Kkr djksA

31- 0 0 0tan 5 tan 30 4 tan 85× × dk eku Kkr djksAa

32- ;fn 0

0 0

cos 20 2cos

sin 70 sin(90 ) 2

kθθ

+ =− rks k dk eku Kkr djsaA

33- ;fn tan 4 cotθ θ= tgk¡ 4θ vkSj θ U;wu dks.k gSa] rks θ dk eku Kkr dhft,A

34- ;fn 0cos(81 ) sin

3

k rks k dk eku Kkr djsaA

35- ;fn 3

sec2

A = rks 2tan A dk eku Kkr dhft,A

36- ;fn cos3 1θ = rks θ dk eku fudkfy,A

37- ;fn ,A B vkSj C ,d f=Hkqt ds dks.k gSa] rks tan2

A B+⎛ ⎞⎜ ⎟⎝ ⎠

dk eku C ds :i esa crkb,A

38- ;fn sin 3 cos 4θ θ= rks 7θ dk eku Kkr dhft,A

39- vkd`fr 3 esa] ABCD ,d vk;r gS] AE Kkr dhft,A

vkd`fr 3 vkd`fr 4

40- vkd`fr 4 esa CF dk eku Kkr dhft,A

41- vkd`fr 5 esa] AP AD+ dk eku Kkr dhft,A vkd`fr 5

D P

A B

Q45°

60°

60cm

Page 46: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

46 Maths-X (H)

42- ,d ehukj ds vk/kkj ls 30 eh- nwj Hkwfe ij fLFkr ,d fcUnq ls ehukj dh pksVh dk mUu;u dks.k060 gSA ehukj dh Å¡pkbZ Kkr dhft,A

43- vkd`fr 6 esa] 3 ,AB AC θ= dk eku Kkr dhft,A

44- unh ds fdukjs ij [kM+k O;fDr ,d isM+ ds Åijh fljs dks 060 ds mUu;u dks.k ls ns[krk gSA

tc og fdukjs ls 40 eh- nwj tkrk gS rks mUu;u dks.k 030 dk gks tkrk gSA og o`{k ls fdruhnwjh ij [kM+k gSa\

45- vkd`fr 7 esa] PR dk eku Kkr dhft,A

46- vkd`fr 8 esa] BC dk eku Kkr dhft,A

47- vkd`fr 9 esa] DC dk eku Kkr dhft,A

48- vkd`fr 10 eas nks O;fDr ,d ehukj ds foijhr fn'kk esa fcanq BrFkk D ij [kMs+ gSaA ;fn ehukj AC dh Å¡pkbZ 60 eh- gS rksnksuksa O;fDr;ksa ds chp dh nwjh Kkr dhft,A

49- vkd`fr 11 eas AB dk eku Kkr djsaA

50- vkd`fr 12 eas] ,d Hkou AD dh Nk;k ikuh esa DF gSA ;fn 10BC = eh- vkSj 12AE = eh-rks DF Kkr dhft,A

vkd`fr 6

100 eh-80 eh-

45°

Page 47: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

47 Maths-X (H)

35-5

4

36- 00

37- cot2

C

38- 090

39- 80

40- 12

41- 60 3 lseh-

42- 30 3

43- 030

44- 60 eh-

45- 44 eh-

46- 130 eh-

47- 74 eh-

48- ¼60 60 3+ ½ eh-

49- 3000( 3 1)− eh-

50- 22 eh-

f=dks.kfefr rFkk blds vuqiz;ksx ¼v/;k;&8½mÙkjekyk

1- 2

2- 1

3- 0

4- 045

5- 1

6- &1

7- 18

8- 045

9- cM+k

10- 32 oxZ lseh-

11- ABC∠

12- 4

13- 1

14-12

5

15- 4

16- 3

17- 2

18- 1

19- 0

20- 1

21- 1

22- cotθ

23- 075

24- 1

25- 4

26- 5

27- 27

28- 4

29-1

2

30- 4

31-4

3

32- 6

33- 018

34- 27

Page 48: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

48 Maths-X (H)

v/;k;&9

o`Ùk

1- nh xbZ vkd`fr esa Li'kZ js[kkvksa dh la[;k dh x.kuk djksA

2- bl vkd`fr esa fdruh js[kk,¡ o`Ùk dks fcYdqy ugha dkV jgh gSa\

3- nh xbZ vkd`fr esa fdruh Li'kZ js[kk,¡ n'kkZbZ xbZ gSa\

4- bl vkd`fr esa Nsnd js[kkvksa dh la[;k dh x.kuk djksA

Page 49: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

49 Maths-X (H)

Q

OP

R

5 lsa-eh-13 lsa-eh-

S

O

PQ

24 lsa-eh-25 lsa-eh-

C O

A

B

125°

L

O

M

N

5- bl vkd`fr esa fdruh Li'kZ js[kk,¡ gSa\

6- bl vkd`fr eas fdruh js[kk,¡ o`Ùk dks Li'kZ dj jgh gSa\

7- bl vkd`fr esa PR Kkr djksA

8- OP Kkr djksA

9- ACB∠ Kkr djksA

10- ;fn 0105LOM∠ = rks OLN∠ D;k gksxk\

Page 50: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

50 Maths-X (H)

11- LNM Kkr djksA

12- AB Kkr djksA

13- QOP∠ D;k gksxk\

14- prqHkqZt ABCD dk ifjeki Kkr djksA

15- nh xbZ vkd`fr esa] ;fn 20XY = lseh- gks rks XLM∆ dk ifjeki D;k gksxk\

O

C B

13 lsa-eh-5 lsa-eh-

A

O

Q

R

P40°

5 lsa-eh-

Y L

N

MZ

X

8 lsa-eh-

7 lsa-eh-

6 lsa-eh-

A B

DC

L

O

M

N105°

Page 51: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

51 Maths-X (H)

16- prqHkqZt PQRS dk ifjeki Kkr djksA

17- f=Hkqt ABC dk ifjeki D;k gksxk\

18- BP Kkr djksA

19- f=Hkqt PQR dk ifjeki D;k gksxk\

20- O dsUæ okys o`Rr dh Li'kZ js[kk ,BQ AP rFkk QP gSA QOP dk eku crkb,A

3 lsa-eh-

5 lsa-eh-12 lsa-eh-

B

O

A

P

2 lsa-eh- 4 lsa-eh-

10 lsa-eh-

5 lsa-eh-

PQ

SR

9 lsa-eh-

12 lsa-eh-

7 lsa-eh-

A

B

C

7 lsa-eh-

3 lsa-eh-

4 lsa-eh-

P

Q R

B

O

A

Q

R

P

Page 52: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

52 Maths-X (H)

21- prqHkqZt PZXY vkSj ,d pØh; prqHkZqt esa D;k lekurk gSa\

22- o`Ùk dh f=T;k Kkr djksA

23- OP Kkr djksA

;fn 24RS = lseh-

24- OB Kkr djksA

;fn 48AB = lseh-

25- x vkSj y dk eku Kkr djksA

Y

X

ZP

B

O7 lsa-eh-

48 lsa-eh-A

P

O 13 lsa-eh-

24 lsa-eh-R S

O

21 lsa-eh-

23 lsa-eh-

P

A

O

B

40°x

y

Page 53: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

53 Maths-X (H)

26- QOP∠ D;k gksxk\

27- ;fn 7.5PR = lseh- gks rks PS D;k gksxk\

28- vkd`fr esa] fcanq P o`Ùk ds dsUnz ls 29lseh- dh nwjh ij gSA fcUnq P ls o`Ùk dh Li'kZ js[kk dhyEckbZ Kkr djks ;fn o`Ùk dh f=T;k 20lseh- gksA

29- BTQ∠ Kkr djksA

30- vkd`fr esa] ;fn PC CR= rks f=Hkqtdh dkSu lh nks Hkqtk,¡ leku gSa\

PO

R

Q

S

T

O P

20 lsa-eh-

29 lsa-eh-

P

R Q

C A

B

R

Q

O

P

35°

Page 54: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

54 Maths-X (H)

31- vkd`fr esa ,d o`Ùk prqHkqZt ABCD dh pkjksa Hkqtkvksa dks vUr% Li'kZ djrk gSA prqHkqZt dh dkSulh Hkqtk ( )AR BT+ ds leku gksxh\

32- o`Ùk dh nks lekarj Li'kZ js[kkvksa ds chp dh nwjh Kkr djks ;fn o`Ùk dh f=T;k 5-5lseh gksA

33- vkd`fr esa PA rFkk PB fcUnq P ls [khaph xbZ nks Li'kZ js[kk,¡ gSa tks O dsUnz okys o`r dks

A vkSj B ij Li'kZ djrh gSA okD; iwjk djksA ,OP AB dk &&&&&&&&&&&&&&&&

gSA

34- vkd`fr esa ABC∆ o`r dks P fcUnq ij Li'kZ djrk gS] ;fn Hkqtkvksa AB vkSj AC dks c<+k;ktk;s rks og o`r dks Q vkSj R ij Øe'k% Li'kZ djrh gSa] rFkk ABC∆ dk ifjeki 12 lseh-

gS] rks AQ Kkr dhft,A

35- nh xbZ vkd`fr esa BC dk eku Kkr djksA

AB

D C

S

TR

Q

P

B

A

O

A

B CP

Q R

A

B CR

P Q

4cm

7cm

12cm

Page 55: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

55 Maths-X (H)

36- vkd`fr eas prqHkqZt ABCDdh Hkqtk,¡ o`r dks Øe'k% , , ,P Q R S ij Li'kZ djrh gSA Kkr dhft,

fd ( )AB CD+ fdl ds cjkcj gS\

37- vkd`fr esa ;fn 11.5AB = lseh- vkSj 10.5DC = lseh- gks rks ( )AD BC+ Kkr djksA

38- fp= esa

4

3

2

AP cm

OA cm

OB cm

rks BP dh yEckbZ crkb,A

39- vkd`fr esa] nks ladsUæh o`Ùk gSaA cM+s o`Ùk dh thok AB ] NksVso`Ùk dks fcUnw P ij Li'kZ djrh gSA ;fn 4.5AP cm= gksrks BQ dk eku Kkr djksA

40- vkd`fr esa] ;fn 5AQ cm= gks rks ABC∆ dk ifjekiKkr djksA

ABP

QS

DCR

A BP

Q S

D CR

A

B CP

Q R

A P B

Q

A4cm

B

O P

Page 56: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

56 Maths-X (H)

o`Ùk ¼v/;k;&9½mÙkjekyk

1- 3

2- 5

3- 1

4- 5

5- 1

6- 0

7- 12lseh-

8- 7lseh-

9- 055

10- 090

11- 07 5

12- 24lseh-

13- 050

14- 52lseh-

15- 40lseh-

16- 34lseh-

17- 56lseh-

18- 4 10 lseh-

19- 28lseh-

20- 090

21- foijhr dks.kks dk tksM+ 0180

22- 88

23- 5lseh-

24- 25lseh-

25- 0 040 , 50x y= =

26- 0110

27- 15lseh-

28- 21lseh-

29- 75

30- PQ QR=

31- AB

32- 11lseh-

33- yEc lef)Hkktd

34- 6lseh-

35- 15lseh-

36- AD BC+

37- 22lseh-

38- 21 lsa-eh-

39- 4-5lseh-

40- 10lseh-

Page 57: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

57 Maths-X (H)

v/;k;&10

T;kferh; jpuk,¡

1- ;fn ,d 7lseh- ds f=T;k ds o`Ùk ij dsUnz ls 25lseh- dh nwjh ij fLFkr fcanq ls Li'kZ js[kk [khaphtkuh gks rks fcuk ekis] ml Li'kZ js[kk dh yEckbZ D;k gksxh\

2- A BC ABC ∼ dh jpuk esa ftlesa 5

2BC BC gks rks BC dks fdrus leku Hkkxksa esa ckaVk

tkuk pkfg,A

3- ;fn ,d js[kk 7AB = lseh- dks ,d fcUnq P us 3 % 4 ds vuqikr esa foHkkftr djuk gks rks BPdh yEckbZ D;k gksxh\

4- ,d js[kk[k.M PQ dks 4 % 7 ds vuqikr esa foHkftr djus ds fy, P vkSj Q fcUnqvksa dh lekUrjjs[kkvksa dks de ls de fdrus fcUnqvksa esa ck¡Vuk gksxk\

5- ,d js[kk[k.M LM dks 5 % 3 ds vuqikr esa foHkkftr djus gsrq U;wu dks.k okyh js[kk fdrus fcUnqvksaesa foHkkftr dh tk;sxh\

6- ,d PQ R PQR ∼ dh jpuk dh tkuh gS ftles 5

2

PQ

PQ

;fn 6PQ = lseh- gks rks PQ

D;k gksxk\

7- ,d LM N LMN ∼ cuk;k tkuk gS ftlesa 4

3

LM

LM

gks ;fn 48LM lseh- gks rks LM

Kkr djsaA

8- ;fn PQR P QR′ ′∆ ∆∼ gksa ftlesa 1

2

P Q

PQ

′= rks 6QR= lsa-eh- gksus ij QR′ dk eku D;k gksxk\

9- ;fn ,d js[kk[k.M YZ ij ,d fcUnq X Kkr djuk gks ftlls XY:YZ = 2 : 3 gks vkSjYZ = 15 lsa-eh- gks rks Z D;k gksxk\

10- ABC∆ ds le:i AB C ftlesa 4

5B C BC dh jpuk djus ds fy, BC dks fdrus cjkcj

Hkkxksa esa ck¡Vk tk,xkA

Page 58: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

58 Maths-X (H)

T;kferh; jpuk,¡ ¼v/;k;&10½mÙkjekyk

1- 24 ls-eh-

2- 2

3- 4 ls-eh-

4- 11

5- 8

6- 15 ls-eh-

7- 3-6 ls-eh-

8- 3 lsa-eh-

9- 9 ls-eh-

10- ik¡p

11- 31-5 ls-eh-

12- 25 ls-eh-

13- 10 ls-eh-

14- 15 ls-eh-

15- 7-5 ls-eh-

11- A B C ABC ∼ ftlesa 7

2

A B

AB

gSA ;fn 9BC = lseh- gks rks BC D;k gksxk\

12- PQ R PQR ∼ ftlesa 3

5

PQ

PQ

dh jpuk esa] ;fn 15QR = lseh- rks Q R D;k gksxk\

13- ;fn 8 lseh- yEckbZ dh ,d Li'kZ js[kk fdlh 6lseh- f=T;k ds o`Ùk ij cukbZ tkuh gks rks fcUnqdh dsUæ ls nwjh D;k gksxh\

14- ;fn ,d js[kk[k.M 24AB = lseh- dks fcUnq P ds }kjk 5 % 3 esa ck¡Vk tkuk gS rks AP KkrdjksA

15- fcUnq P, js[kk[k.M AB dks nks Hkkxksa AP vkSj BP esa foHkkftr djrk gSA ftlesa PA=4.5 lsa-eh-vkSj AP : BP = 3 : 2 rks AB dh yEckbZ D;k gksxh\

Page 59: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

59 Maths-X (H)

v/;k;&11

o`Ùk ls lacf/kr {ks=Qy

1- o`Ùk dk {ks=Qy crkvks ftldk O;kl ' 'd gksA

2- f=T;k[kaM dk {ks=Qy crkvks ftldh f=T;k ' 'r rFkk dsUnzh; dks.k ' ' gksA

3- ;fn o`Ùk dh ifjf/k mlds {ks=Qy ds cjkcj gks rks o`Ùk dh f=T;k crkvksA

4- 1C rFkk 2C ifjf/k okys nks o`Ùkksa dh f=T;k,¡ Øe'k% 1R rFkk 2R gSA ' 'R f=T;k okys ,d o`Ùk

dh ifjf/k bl izdkj gS fd 1 2C C C= + rks 1 2R R+ dk eku crkvksa

5- 3-5lseh- okys f=T;k okys v/kZo`Ùk dk ifjeki crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

6- ,d rhjvankth y{; ds rhu ladsUnzh; o`r gSaA ladsUnzh; o`Ùkksa ds O;kl Øe'k% 1 % 2 % 3 vuqikresa gSA o`Ùkksa ds {ks=Qyksa dk vuqikr crkvksA

7- nks o`Ùkksa dh f=T;k,¡ Øe'k% 13lseh- rFkk 6lseh- gSA ml o`Ùk dh f=T;k crkvks ftldk ifjeki nksuksao`Ùkksa ds ifjeki ds ;ksx ds cjkcj gSA

8- ,d o`Ùkkdkj [ksr ij 10:- izfr ehVj dh nj ls ckM+ yxkus dk O;; 440:- gSA o`Ùkkdkj [ksr

dh f=T;k crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

9- 14lseh- O;kl okys v/kZo`r dk ifjeki crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

10- fp= esa Nk;akfdr Hkkx dkV fn;k x;k gSA 'ks"k Hkkx dk {ks=Qy crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

22 lsa-eh-

14 lsa-eh-

12345678901234567890123456789012123456123456789012345678901234567890121234561234567890123456789012345678901212345612345678901234567890123456789012123456123456789012345678901234567890121234561234567890123456789012345678901212345612345678901234567890123456789012123456123456789012345678901234567890121234561234567890123456789012345678901212345612345678901234567890123456789012123456123456789012345678901234567890121234561234567890123456789012345678901212345612345678901234567890123456789012123456123456789012345678901234567890121234561234567890123456789012345678901212345612345678901234567890123456789012123456

Page 60: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

60 Maths-X (H)

11- ,d o`Ùk dh ifjf/k rFkk O;kl dk varj 30lseh- gSA o`Ùk dh f=T;k crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

12- ,d lkbZfdy 10 pDdjksa esa 880lseh- dh nwjh r; djrh gSA ifg;s dk O;kl crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

13- ,d rkj 42lseh- f=T;k okys o`Ùk ds vkdkj dh gSA rkj dks eksM+dj ,d oxZ cuk;k x;k gSA oxZ

dh Hkqtk dh yEckbZ crkvksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

14- fjax (Ring) dk {ks=Qy crkvksa ;fn cMs o`Ùk dh f=T;k 13lseh- rFkk NksVs o`Ùk dh f=T;k 6lseh-gksA

15- ' 'r eh- f=T;k okys o`Ùkkdkj {ks= ds pkjksa vksj ' 'h eh- pkSM+k iFk cuk;k tkrk gSA o`Ùkkdkj iFkdk {ks=Qy crkvksA

16- 15eh- f=T;k okys o`Ùkkdkj ikdZ ds pkjksa vksj 5eh- pkSM+k iFk cuk;k tkrk gSA iFk dk {ks=Qy

crkvksA22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

17- nks o`Ùkksa dh f=T;k,¡ Øe'k% 4lseh- rFkk 3lseh- gSA ml o`r dh f=T;k Kkr dhft, ftldk {ks=Qy

mu nksuks o`Ùkksa ds {ks=Qyksa ds ;ksx ds cjkcj gksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

18- 6lseh- f=T;k okys ,d o`Ùk ds ,d f=T;k [kaM dk {ks=Qy crkvksa ftldk dsUnzh; dks.k 0120gSA

19- fp= esa l dh yEckbZ crkvks ;fn O o`Ùk dk dsUnz

gks rFkk f=T;k dh yEckbZ 14lseh- gksA 22

7π⎛ ⎞=⎜ ⎟⎝ ⎠

15eh-

5eh-

A Bl

O

90°

14 lsa-eh- 14 lsa-eh-

Page 61: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

61 Maths-X (H)

6cm 6cm

4cm

4cm2cm

20- fp= esa ABC∆ ,d leckgq f=Hkqt gS ftldh Hkqtk 30eh- gSA f=Hkqt ds dksus A ls ,d xk;10eh- yEch jLlh ls cka/kh xbZ gSA ml eSnku dk {ks=Qy crkvks tgk¡ xk; ?kkl pj ldrh gSA

21- fp= esa 20lseh- f=T;k okys 4 o`Ùkkdkj ia[ks ds ijksa dk {ks=Qy crkvks ;fn dsUæh; dks.k 45° gksA

22- Nk;kafdr Hkkx dk ifjeki crkvksA

23- nks ldsUnzh; o`Ùkksa dk dsUnz o rFkk f=T;k,¡ 7lseh- rFkk 14lseh- gSA ;fn 0120AOC∠ = rks Nk;kafdrHkkx dk {ks=Qy crkvksA

O

B D

A C

120°

Page 62: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

62 Maths-X (H)

24- Nk;kafdr Hkkx dk ifjeki crkvksA

25- o`Ùk dh ifjf/k crkvks ;fn dsUæ O gksAA

26- y?kq[kaM ACBA dk {ks=Qy crkvks ;fn 5OB = lseh- rFkk dsUæh; dks.k 90° gksAA

27- nks o`rksa dh f=T;kvksa dk vuqikr 3 % 4 gSA ml o`r dh f=T;k crkvksa ftldk {ks=Qy mu nksuksao`rksa ds {ks=Qyksa ds ;ksx ds cjkcj gSA

28- nh xbZ vkd`fr dk ifjeki crkvksA

29- ,d pki o`r ds dsUnz ij 090 dk dks.k varfjr djrh gSA pki dh yEckbZ rFkk o`r dhifjf/k dk vuqikr crkvksA

30- ' 'r f=T;k okys v/kZo`r esa cus lcls cMs+ f=Hkqt dk {ks=Qy crkvksA

31- 20lseh- yEch ,d rkj o`r dh pki ds :i esa eksMh xbZ gS tks dsUnz ij 060 dk dks.k varfjrdjrh gSA o`r dh f=T;k crkvksA

O

A BC

Q

O

R7cm

24cm

50cm

50cm

14cm 14cm

Page 63: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

63 Maths-X (H)

1234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345123456789012345678901234512345678901234567890123451234567890123456789012345

20cm

123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678123456789012345678

6 lsa-eh-

6 lsa-eh-

32- fdlh o`r dh ,d pki dsUnz ij 072 dk dks.k cukrh gS pki dh yEckbZ ,oe~ o`r dh ifjf/k dkvuqikr Kkr dhft,A

33- fdlh ?kM+h dh feuV dh lqbZ 12 lseh- yEch gS ;g 8%00 cts ls 8%05 cts rd fdruk {ks=Qy

r; djsxh\

34- fn, x, fp= esa js[kkafdr Hkkx dk {ks=Qy Kkr dhft,A

35- ,d oxkZdkj dkxt dh Hkqtkvksa dks O;kl ekudj vanj dh vksj nks v)Zo`r cuk, x;s gS rFkk mudksdkV fy;k x;k gS ;fn oxkZdkj dkxt+ dh Hkqtk 20lseh- gks rks 'ks"k dkxt+ dk {ks=Qy Kkr dhft,A

( 3.14)

36- fn;s x;s fp= esa uhsys oy; dk {ks=Qy Kkr dhft, ;fn izR;sd oy; dh pkSM+kbZ r lsa-eh- gksA

liQsn

dkykuhykyky

ihykr

rr

rr

Page 64: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

64 Maths-X (H)

123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123

60°

3cm

3cm

12345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123123456789012345678901231234567890123456789012312345678901234567890123

2 lsa-eh-

5 lsa-eh-

A B

D C

37- ABCD ,d oxZ gS] ;fn bldh izR;sd Hkqtk 5lseh- gSA Nk;kafdr Hkkx dk {ks=Qy Kkr dhft,A

38- fn, x;s fp= esa ABCD vkSj EFGH Øe'k% 6lseh- o 1lseh- Hkqtk ds oxZ gSa Nk;kafdr Hkkx dk{ks=Qy Kkr dhft,A

39- fn, x, fp= esa f=T;[kaM dk {ks=Qy Kkr dhft,A

40- fn, x, oxZ dh Hkqtk 4lseh- gS Nk;kafdr Hkkx dk {ks=Qy Kkr dhft,A

4 eh-

4 eh-

4 eh-

1 lsa-eh-1 lsa-eh-

6 lsa-eh-

1 lsa-eh-

Page 65: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

65 Maths-X (H)

o`Ùk ls lacf/kr {ks=Qy ¼v/;k;&11½mÙkjekyk

1- 2

4d

π

2- 2

360r

θ π

3- 2 bdkbZ

4- R

5- 18lseh-

6- 1 % 4 % 9

7- 19lseh-

8- 7eh-

9- 36lseh-

10- 77lseh-2

11- 7lseh-

12- 28lseh-

13- 66lseh-

14- 133π lseh2

15- 2( 2 )h rhπ +

16- 550eh2-

17- 5lseh-

18- 12π lseh-2

19- 22lseh-

20-50

3π eh-2

21- 200 π lseh-2

22- 16 2 lsa-eh-

23- 154lseh2

24- 42π

25- 25π lsa-eh-

26-1

254 2

π⎛ ⎞−⎜ ⎟⎝ ⎠

ls-eh-2

27- 5

28- 144 lsa-eh-

29- 1 % 4

30- 2r

31-60

cmπ

32- 1 % 5

33- π lseh-2

34- 18π lseh-2

35- 86lseh-2

36- 25 rπ

37- 25 4 lseh-2

38- 35 – lseh2

39- 3π lseh2

40- (16 4 )π− lseh2

Page 66: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

66 Maths-X (H)

v/;k;&12

i`"Bh; {ks=Qy vkSj vk;ru

1- ,d VSad dk vk;ru D;k gksxk ftldh yEckbZ 10eh-] pkSM+kbZ 8eh- rFkk Å¡pkbZ 6eh- gks\

2- 3eh- yEcs 2eh- pkSMs+ rFkk 4eh- Å¡ps fMCcs dks <Ddu ds lkFk cukus esa fdruh ,Y;qfefu;e 'khVdh vko';drk gksxh\

3- 12eh- yEcs] 10eh- pkSMs+ rFkk 9eh- Å¡ps dejs dh pkjksa nhokjksa dk {ks=Qy D;k gksxk\

4- ,d Hkwfexr ikuh dh Vadh 6 eh- Hkqtk okys ?ku ds vkdkj dh gSA bldk vk;ru D;k gksxk\

5- ,d ?ku dk vk;ru 38a gSA mldh dksj dh yEckbZ Kkr djsaA

6- ,d ?ku dk vk;ru 1000lseh-3 gSA blds fdukjs dh yEckbZ Kkr djsaA

7- ,d ?ku ds fod.kZ dh yEckbZ 17-32lseh3 gSA ?ku dk vk;ru Kkr djsaA ( 3 1.732)

8- 6] 8 rFkk 10 lseh- Hkqtk okys leku /kkrq ls cus rhu ?kuksa dks fi?kkydj ,d ?ku cuk;k x;kAu, ?ku dk fod.kZ Kkr djksA

9- 5eh- dksj okys nks ?kuksa dks fdukjs ls tksM+k x;k gSA bl izdkj cus ?kukHk dk i`"Bh; {ks=Qy KkrdjksA

10- 14lseh- yEcs] 9lseh- pkSMs+ rFkk 7lseh- Å¡ps ,d vk;rkdkj fMCcs dks cukus ds fy, vko';d xÙksdk {ks=Qy Kkr djksA

11- ,d ?ku dk dqy i`"Bh; {ks=Qy 216 ls eh-2 gSA bldh Hkqtk Kkr djksA

12- ,d yEc o`rh; csyukdkj VSad dk vk;ru D;k gksxk ftldh f=T;k 7lseh- rFkk Å¡pkbZ 2lseh- gks\

13- 2lseh- f=T;k okys ,d Bksl xksys esa ls 1

2 lseh- f=T;k okys fdrus Bksl xksys cuk, tk

ldrs gSa\

14- ;fn ,d xksys dk vk;ru vkSj i`"Bh; {ks=Qy leku gks rks mldh f=T;k D;k gksxh\

15- ;fn fdlh 'kadq ds fNUud dh Å¡pkbZ 4lseh- vkSj nks vk/kkjksa dh f=T;k Øe'k% 3lseh- vkSj 6lseh-gks rks fNUud dh fr;Zd Å¡pkbZ Kkr dhft,A

16- ,d yEc o`rh; csyu dk vk;ru 448π lseh-3 rFkk Å¡pkbZ 7lseh- gSA f=T;k Kkr djsaA

Page 67: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

67 Maths-X (H)

17- ,d xksys dk i`"Bh; {ks=Qy 144 ls-eh-2 gS bldh f=T;k D;k gksxh\

18- ,d ?ku dh dksj D;k gksxh ;fn bldk oØ i`"Bh; {ks=Qy 64oxZ lseh gks\

19- ,d v/kZxksys dk vk;ru 18π ls-eh-3 gS bldh f=T;k D;k gksxh\

20- ,d 'kadq dk oØ i`"Bh; {ks=Qy 90π ls-eh-2 gSA 'kadq dh f=T;k D;k gksxh ;fn bldh frjNhÅ¡pkbZ 90lseh- gSa\

21- ,d xkssys dh f=T;k 8 lseh- gSA blesa ls 4lseh- f=T;k okys fdrus xksys cuk;s tk ldrs gSa\

22- ,d ?kukHk dk vk;ru 240 ?ku lseh- gSaA ;fn bldh yEckbZ 4lseh- vkSj pkSM+kbZ 5lseh- gks rks Å¡pkbZKkr djksA

23- ik¡p cjkcj ?ku ftlesa ls izR;sd dh Hkqtk 6lseh- gS fljs ls fljs ij la;qDr fd;s tkrs gSA blizdkj izkIr gksus okys ?kukHk dk i`"Bh; {ks=Qy Kkr djksA

24- ,d leprqHkqZt dk {ks=Qy 24oxZ lseh- rFkk mlds ,d fod.kZ dh yEckbZ 8lseh- gSA leprqHkqZtds nwljs fod.kZ dh yEckbZ Kkr djksA

25- ml cM+h ls cM+h NM+ dh yEckbZ D;k gksxh tks ml fMCcs esa j[kh tk lds ftldh var% foekk,¡30lseh-] 24lseh- rFkk 18lseh0 gksa\

26- ,d csyu dk oØ i`"Bh; {ks=Qy 16π ls-eh-2 gSA ;fn bldh f=T;k 4lseh- gks rks bldh Å¡pkbZKkr dhft,A

27- ,d o`rkdkj csyu dk :i nsus ds fy, 50 o`rkdkj IysVksa ftudh f=T;k cjkcj gS] dks ,d nwljs

ds Åij j[kk x;kA bl izdkj cus csyu dh Å¡pkbZ Kkr djsa ;fn ,d IysV dh eksVkbZ 1

2 lseh-

gksA

28- nks 'kadq gSaA ,d dk oØ i`"Bh; {ks=Qy nwljs ds oØ i`"Bh; {ks=Qy ls nqxquk gSA nwljs dh frjNhÅ¡pkbZ igys dh frjNh Å¡pkbZ ls nqxquh gSA mudh f=T;kvksa dk vuqikr Kkr dhft,A

29- ;fn ,d Bksl xksys dk vk;ru 288π ?ku lseh- gks rks bldh f=T;k Kkr dhft,A

30- 4lseh- Å¡pkbZ rFkk 8lseh- f=T;k okys ,d 'kadq dks ,d cPps us Bksl xksys ds :i esa <ky fn;kAxksys dh f=T;k Kkr djksA

31- ,d dqvk¡ ftldk O;kl 2eh- gS] 14 eh- xgjk [kksnk tkrk gSA dq,¡ ls fudkyh xbZ feV~Vh dk vk;ruKkr djksA

32- 7lseh- Hkqtk okys ,d ?ku esa ls ,d cMs+ ls cM+k xksyk dkVk tkrk gSA bl xksys dh f=T;k KkrdjksA

Page 68: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

68 Maths-X (H)

33- ;fn nks 'kadqvksa ds vk;ruksa dk vuqikr 1 % 4 vkSj mlds O;klksa dk vuqikr 4 % 5 gks rks mudhšpkb;ksa dk vuqikr D;k gksxk\

34- ,d yac o`rh; crZu ikuh ls Hkjk gSA yaco`rh; crZu ds cjkcj O;kl vkSj cjkcj Å¡pkbZ okys fdrus'kadqvksa dh vko';drk gksxh rkfd og ikuh muesa lek ldsA

35- 8eh- × 7eh- × 6eh- foekvksa okyh ,d ydM+h ds ckWDl esa 8lseh- × 7lseh- × 6lseh- foekvksaokys vk;rkdkj ckWDl j[ks tkus gSaA vf/kd ls vf/kd ckWDlks dh la[;k Kkr dhft, tks ydM+hds ckWDl esa j[ks tk ldsA

36- ,d 'kadq dh Å¡pkbZ 12lseh- vkSj f=T;k 5lseh- gSA 'kadq dh frjNh Å¡pkbZ Kkr dhft,A

37- 3lseh- Å¡pkbZ okys 'kadq dk v/kZ'kh"kZ dks.k 060 gSA 'kadq dk vk;ru Kkr djksA

38- ;fn ,d ?ku dk vk;ru] ,d /kukHk ds vk;ru ds cjkcj gS ftldh Hkqtk,¡ 8 lsa-eh- ×4 lsa-eh-×2 lsa-eh- gS rks ?ku dk fdukjk Kkr djksA

39- ,d csyukdj NM+ dk vk;ru 980 ?ku lseh- gSA ;fn bldh Å¡pkbZ 20lseh- gks rks NM+ ds vuqizLFkifjPNsn dh f=T;k Kkr dhft,A

40- ml 'kadq dk vk;ru Kkr djks ftldh Å¡pkbZ 2h vkSj f=T;k r gksA

41- ,d nksuks vksj ls can yEc o`Ùkh; csyu gS ftldk lery {ks=Qy dqy i`"Bh; {ks=Qy ds cjkcjgSA csyu dh f=T;k rFkk Å¡pkbZ ds chp lEcU/k crkb,A

42- ,d 9 lseh- fdukjs okys ?ku esa ls cMs+ ls cM+s dkVs tk ldus okys yac o`Ùkh; 'kadq dh f=T;kKkr djsaA

43- ,d dejs dk vk;ru 5760 ?ku eh- gSA ;fn bldh yEckbZ vkSj pkSM+kbZ Øe'k% 24eh- vkSj 20eh-gks rks bldh Å¡pkbZ Kkr djksA

44- ,d v/kZxksykdkj xsan ds fdukjs dh ifjf/k 132lseh- gSA bldh f=T;k Kkr djksA

45- ,d vk;rkdkj rkykc tks 80eh- yEck vkSj 50eh- pkSM+k gS esa 500 O;fDr ,d lkFk Mqcdh yxkrsgSaA rkykc esa ikuh dk Lrj fdruk Å¡pk mBsxk ;fn bldk ,d O;fDr }kjk foLFkkiu0-04 eh-3 gks\

46- ;fn ,d csyu dh f=T;k vkSj Å¡pkbZ dk vuqikr 2 % 7 vkSj mldk vk;ru 88 ?ku eh- gks rksmldh f=T;k Kkr djksA

47- ;fn 12lseh- O;kl okys ,d Bksl xksys dks fi?kyk dj 0-2lseh- O;kl okyh ,d rkj cukbZ xbZgks rks rkj dh yackbZ Kkr djksA

48- ,d Bksl v/kZxksys dk dqy {ks=Qy Kkr dhft, ;fn bldh f=T;k R gksA

Page 69: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

69 Maths-X (H)

49- ,d 2 lseh- fdukjs okys ?ku dks 1lseh- fdukjs okys ?kuksa esa dkVk x;kA NksVs ?ku vkSj cMs+ ?kuds i`"Bh; {ks=Qyksa dk vuqikr D;k gSa\

50- ,d ckfj'k esa 5 lseh- o"kkZ gqbZA 2 gSDVs;j Hkwfe ij fxjus okys ty dk vk;ru ?ku eh- esa KkrdjksA ¼ 1 gSDVj 10,000 oxZ ehVj ½

35- 10]00]000

36- 13lseh-

37- 27π lsa-eh-3

38- 4lseh-

39- 7lseh-

40- 22

3r hπ

41- r h=

42- 4-5 lseh-

43- 12eh-

44- 21lseh-

45- 0-5lseh- ;k 0-005eh-

46- 2eh-

47- 288eh-

48- 23 Rπ

49- 1 % 4

50- 1000eh-3

i`"Bh; {ks=Qy vkSj vk;ru ¼v/;k;&12½mÙkjekyk

1- 480eh-3

2- 52 eh-2

3- 396oxZ eh-

4- 216eh-3

5- 2a

6- 10lseh-

7- 1000lseh-3

8- 12 3 lseh-

9- 250eh-2

10- 574eh-2

11- 6 lseh-

12- 308lseh-3

13- 64

14- 3

15- 5lseh-

16- 8lseh-

17- 6lseh-

18- 4lseh-

19- 3 lsa-eh-

20- 1lseh-

21- 8

22- 12lseh-

23- 792eh-2

24- 6lseh-

25- 30 2 lseh-

26- 2lseh-

27- 25lseh-

28- 4 % 1

29- 6lseh-

30- 4lseh-

31- 44eh-3

32- 3-5lseh-

33- 25 % 64

34- 3

Page 70: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

70 Maths-X (H)

v/;k;&13

lkaf[;dh rFkk izkf;drk

1- n la[;kvksa 1 2, ,x x - - - - - - - - - - - - - - - - -] nx dk ek/; D;k gSa\

2- n isz{k.k 1 2, ,x x - - - - - - - - - - - - - - - - -] nx ftudh ckjackjrk,¡ % 1 2, ,f f - - - - - - -

- - - - -] nf gks dk ek/; D;k gSa\

3- vkadM+ksa 6] 8] 7] 3] 2 dk ek/; Kkr djksA

4- fdlh eqgYys ds 10 ifjokjksa esa cPpksa dh la[;k fuEufyf[kr gSa%2] 4] 3] 4] 2] 0] 3] 5] 1] 1 izfr ifjokj ek/; cPpksa dh la[;k crkb,A

5- fuEu vk¡dM+ksa dk ek/; Kkr djks%&, 2, 4, 6, 8x x x x x+ + + +

6- izFke ik¡p izkd`r la[;kvksa dk ek/; Kkr djksA

7- fuEu vk¡dM+ksa%&

9-6] 5-2] 3-5] 1-5] 1-6] 2-4] 2-6] 8-4] 10-3] 10-9] ds fy, 10

11

( )i

x x=

−∑ dk eku crkb,A

8- fuEufyf[kr vk¡dM+ksa dh ckjEckjrk,¡ Kkr djks%&vad Nk=ksa dh la[;k10 ls de 520 ls de 930 ls de 1740 ls de 2950 ls de 45

9- vKkr ckjackjrk p Kkr djks ;fn 30if =∑ rFkk

e/;eku % 12 14 16 18 20ckjackjrk % 3 6 9 p 4

10- 20 la[;kvksa dk ek/; 17 gSA ;fn izR;sd la[;k esa 3 tksM+ fn;k tk, rks u;k ek/; Kkr djksA

Page 71: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

71 Maths-X (H)

11- ;fn n isz{k.kksa 1 2, ,x x - - - - - - - - - - - - - - - - -] nx dk ek/; x gks rks 10

11

( )i

x x=

−∑ dk

eku Kkr djksA

12- izFke ik¡p vHkkT; la[;kvksa dk ek/; Kkr djksA

13- 6] 4] 7] x rFkk 14 dk ek/; 8 gSA x dk eku Kkr djksA

14- uhps fn, gq, vkadM+ksa esa ckjackjrk,¡ Kkr djksAvad fo|kfFkZ;ksa dh la[;k0 ls vf/kd 8010 ls vf/kd 7720 ls vf/kd 7230 ls vf/kd 6540 ls vf/kd 55

15- ik¡p la[;kvksa dk ek/; 18 gSA ;fn ,d la[;k fudky nh tk, rks ek/; 16 jg tkrk gSA fudkyhxbZ la[;k Kkr djksA

16- fuEu vk¡dM+ksa esa fi∑ D;k gksxk\ x 10 15 20 25

f 5 10 p 8

17- izFke ik¡p fo"ke izkd`r la[;kvksa dk ek/; Kkr djksA

18- fdlh eSp dh Ja[kyk ds ik¡p esa nks cYyscktksa }kjk cuk, x, ju fuEufyf[kr gSaA

A % 55 60 60 65 45

B % 120 80 30 20 10cYysckt B dk ek/; Ldksj crkb,A

19- 3] 4] 6] 8] 14 dk ek/; ls fopyu dk ;ksx Kkr djksA

20- 20 la[;kvksa dk ek/; 35 gSA ;fn izR;sd la[;k dks 5 ls Hkkx dj fn;k tk, rks u;k ek/; D;kgksxk\

21- izFke ik¡p la[;kvksa dk ek/; Kkr djks tks vHkkT; la[;k,¡ u gksA

22- fuEu vk¡dM+ksa esa fixi Kkr djks

x % 5 10 15 20f % 7 p 8 4

xf % 35 10 p 120 80

Page 72: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

72 Maths-X (H)

23- 40 izs{k.kksa dk ek/; 160 FkkA tk¡p djus ij ;g ik;k x;k fd ek/; dk vfHkdyu djus ds nkSjku165 ds LFkku ij xyrh ls 125 fy[k fn;k x;k gS] lgh ek/; Kkr djksA

24- ;fn 25

, 2010

ii i i

xu f u

−= =∑ rFkk 100if =∑ ] rks x dk eku Kkr djksA

25- ,d QSDVªh esa ik¡p deZpkfj;ksa dh ,d fnu dh etnwjh 20] 40] 42] 45 vkSj 33 :i, gSA ;fnizR;sd deZpkjh dh etnwjh 5 :i, c<+k nh tk, rks ubZ etnwjh dk vkSlr D;k gksxk\

26- fuEu vk¡dM+ksa dh ekf/;dk Kkr djks%&16] 17] 18] 20] 21] 24] 25] 26] 28

27- fuEu vk¡dM+ks dh ekf/;dk Kkr djks%&7] 8] 9] 11] 13] 14] 15] 16

28- x dk eku Kkr djks ;fn fuEu vkadM+ksa dh ekf/;dk 27-5 gksA24] 25] 26] 2, 3x x+ + ] 30] 31] 34

29- cgqyd Kkr djksA2] 2] 3] 5] 5] 7] 7] 2] 3] 4] 7] 2

30- x dk eku Kkr djks ;fn fuEu vk¡dM+ksa dk cgqyd 18 gksA16] 18] 17] 16] 18] x ] 19] 17] 14

31- ;fn fuEu vk¡dM+ksa dk cgqyd 43 gks rks 2x + dk eku Kkr djksA34] 43] 48] 43] x ] 48] 60] 64

32- ;fn fuEu vk¡dM+ks esa ls 27 fudky fn;k tk, rks ubZ ekf/;dk Kkr djks%&20] 24] 25] 26] 27] 28] 29] 30

33- ;fn fuEu vk¡dM+ksa esa 93 tksM+ fn;k tk, rks ubZ ekf/;dk Kkr djksA43] 47] 51] 53] 67] 79] 84] 97

34- ;fn fdlh [ksy dks thrus dh izkf;drk 0-7 gS rks [ksy esa gkjus dh izkf;drk D;k gS\

35- iklksa ds ,d ;qXe dks ,d ckj mNkyk tkrk gSA mu ij 11 dk ;ksx vkus dh izkf;dr Kkr djksA

36- ,d FkSys esa 7 yky] 5 lQsn vkSj 9 dkyh xasnsa gSaA FkSys esa ls ,d xsan fudkyh tkrh gSA bldsyky xsan u gksus dh izkf;drk Kkr dhft,A

37- ,d FkSys esa 20 dkMZ gS ftu ij Øe'k% 1] 2] 3] - - - - - - - - - - - ]20 vafdr gSA FkSys esals ,d dkMZ fudkyk tkrk gSA fudkys x, dkMZ ij vHkkT; la[;k gksus dh izkf;drk Kkr djksA

Page 73: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

73 Maths-X (H)

38- vPNh izdkj dh QasVh xbZ rk'k dh] ,d xM~Mh esa rLohj okys fdrus Qyd iÙks gksrs gSa\

39- 1000 ykWVjh ds fVdVksa esa 5 fVdVksa ij iqjLdkj gSA ;fn ,d O;fDr ,d fVdV [kjhns rks mldsiqjLdkj thrus dh izkf;drk Kkr dhft,A

40- ;g Kkr gS fd 600 iaspksa dh ,d isVh esa 42 isap =`fViw.kZ gSaA bl isVh esa ls ,d isap ;n`PN;kfudkyk tkrk gSA isap ds Bhd fudyus dh izkf;drk D;k gSa\

41- fdlh dEiuh esa ,d eSustj ds pquko ds fy, 5 iq:"k vkSj 3 efgyk,¡ miyC/k gSaA efgyk ds pqustkus dh izkf;drk Kkr djsaA

42- nks flDdks dks ,d lkFk mNkyk tkrk gSA izfrn'kZ crkb,A

43- ,d ckyd ds ikl ?ku ds vkdkj dk ,d Cykd gS ftlds izR;sd Qyd ij ,d v{kj bl izdkjfy[kk gS%A B C B D D?ku dks ,d ckj mNkyk tkrk gSSA B ;k C izkIr gksus dh izkf;drk Kkr djksA

44- ;fn E dksbZ fuf'pr ?kVuk bl izdkj gS fd 3

( )7

P E = ] rks P¼E ugha½ fdl ds cjkcj gS\

45- ,d FkSays esa ik¡p yky xsans rFkk n gjh xsans gSaA ;fn gjh xasn fudkyus dh izkf;drk yky xsan fudkyusdh izkf;drk dh rhu xquh gks rks n dk eku Kkr djksA

46- rk'k dh xM~Mh esa ls lc bDds fudky fn, tkrs gSA yky dkMZ fudkyus dh izkf;drk Kkr dhft,A

47- fuEu vk¡dM+ksa esa ls 29 gVk fn;k tkrk gS1] 4] 9] 16] 25] 29 vHkkT; la[;k izkIr djus dh izkf;drk Kkr djksA

48- nks iklksa dks Qsadus ij 12 ls de ;ksx izkIr gksus dh izkf;drk D;k gSa\

49- dkMZ ftu ij 1] 2] 3] - - - - - - - ]100 la[;k,¡ vafdr gS ,d FkSys es j[ks x, gSa vkSjmUgas vPNh rjg ls feyk;k x;k gSA ,d dkMZ fudkyk tkrk gSA fudkys x, dkMZ ij le la[;kvafdr gks bldh izkf;drk Kkr djksA

50- rk'k dh ,d lkekU; ¼fcuk QsaVh gqbZ½ xM~Mh ls ,d iÙkk [khapk tkrk gS vkSj ,d O;fDr ;g 'krZyxkrk gS fd ;g gqdqe gS ;k bDdk gSA mlds 'krZ thrus ds fo:) dkSu ls fo"ke gSa\

Page 74: SCHEDULE OF MENTAL MATHS QUIZ COMPETITIONS FOR THE …

74 Maths-X (H)

lkaf[;dh rFkk izkf;drk ¼v/;k;&13½mÙkjekyk

1-xi

n∑

2-xi fi

fi∑∑

3- 5-2

4- 2-5

5- 4x +

6- 3

7- 0

8- 5] 4] 8] 12] 16

9- 8

10- 20

11- 0

12- 5-6

13- 9

14- 3] 5] 7] 10

15- 26

16- 23 p+

17- 5

18- 52

19- 0

20- 7

21- 7-4

22- 235 10 p+

23- 161

24- 27

25- 41

26- 21

27- 12

28- 25x =

29- 2

30- 18

31- 45

32- 26

33- 67

34- 0-3

35-1

18

36-2

3

37-2

5

38- 12

39-1

200

40-93

100

41-3

8

42- HH, HT, TH, TT

43-1

2

44-4

7

45- 15

46-1

2

47- 'kwU;

48-35

36

49-1

2

50-9

13