b) Quantitative:36) a man sells an article with a 20% discount and gain a profit of 20%...what would be the profit percentage if he sells it with 10% discount...??sol; 35(not sure)

37)sum of the infinite terms in a gp is 230 and sum of squares is 23 ...find the common ratio.sol: 10/13

3Cool fourth term of an ap is 200 and first term is 5 find the tenth term...??ans:

39) if S+2R=220 and S=80 then R=.???sol: 70

40) if 25% of x=y then 67.5% of x in terms of y is...sol: 100/y2 (not sure)

41)A student was performing an arithmetic operation and he multiplied a number by 3/2 instead of dividing it by 2/3 ...what was its error percentage..??sol: 0%

42) Probability:a radioactive element disintegrates by 20 th part every hour and find the probability that no matter is left out in a duration of 45 min...??sol: since it deals with radioactive element 'n' is usually large..so poissons distribution is to be applied...1hr=60min----------2045min----------?(45*20)/(60)=15..Hence lamba=15

P(x=0)= (e-15)*(150)/(0!)=(e-15)

43) If side of the square is x+2 and side of equilateral triangle is 2x and the perimeters of both square and equilateral triangle are equal ...then find the value of x..??sol: 4*(x+2)=(3*2x)i.e; x=4

44) if side of the square of increased by 5 and change in area was 165 then find the value of side of the square...??sol: (x+5)2-x2=16510x+25=16510x=140x=14

45 -50)) similar questions were given and were easy....

c)English51-52) a passage with inferences to be drawn...

53) saritha and kavitha are seperated by a certain distance of 100m and walking towards each other and savitha started from her house and walked for 30m East and turned right and walked upto 10m and then turned left and walked upto 20m and again turned left and walked to the road ...what is the distance between the two girls now..??sol: i think 20m(not sure jus try..)

54 and 55) deductions

56) choose which part has error A or B or C or Dwe entered(A)/into the room(B)/after the class was over(c)/No Error(D)sol: we entered the room after the class was overans: B

57) we discussed(A)/about the pollitics(B)/ in the class room(C)/No Error(D)sol: we discussed the pollitics in the class room.ans: B

58-60) arrangement of sentences and are very easy....jus follow the sequence of time and situtation....

35. If n is natural number the 'n' (n+1)(2n+1) is always divisible by options 4, 5, 6, 7?

 

36. If 35% of a number is 140 then 67.5% of the number is?

 

37. If in an  A.P. the third term is the 4 time of the 1st term an the 6th term is 17th then its 10th term is ?

option 20,23,29,31

 

38. If a salesman gives a discount of 20% from the listed price of a T.V. he makes 20% percent of profit if a discount of 10% is given on listed price then his profit will?

Answer 35%

 

39. The length of a side of a square  is x=2 the length of equilateral trianlge is 2x if the square and the triangle have equal parameter find the value of x?

 

40. It takes mr. Kartik y hrs to complete a manuscript after 2 hrs. He cold away what fraction of the assignment was left incomplete?

option (y-2)/y,  (y-1)/y, (y-3)/y, (y-5)/y

 

41. A student divide a number by 2/3 when he required to multiply by 3/2 calculate the percentage error

answer 0%

 

42. A dishonest shopkeeper professes to sell pulses at cost price but he uses a false weight of 950 gm for a Kg his gain is ____ %?

 

43. If a side of a square is increased by 5 cm the area increased by 165 square cm the side of the square is?

 

44. Ramu spent 35000 in buying the raw material rupees and 40000 in buying machinery and 20% ofthe total amoun he had cash with him what was the total?

 

45. If x % of y  = z then what % of z is x?

 

46. Light glows for every 13 sec how many times it will glow b/w 1:57:58 and 3:20:47?

 

47. If 820+r+s-640=342 and if r is 25 then s is?

Answer: 137

 

48. If total distance of a journey is 120 Km if one goes by 60Km/hr and and comes back in 40kmph what is the average speed?

 

49. The sum of infinite number of G.P . series is 23 the sum of their square is 69 then theier common ratio is?

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)    d) 010101 

2. Frequency response of a filter is    a)  Range of frequencies at which amplification of signal is employed.    b)  Output voltage versus frequency (plot)    c)  Filter which suppresses particular frequency    3. Gain and bandwidth of an op amp is    a) Independent of each other    b) Gain decreases as bandwidth decreases    c) Gain increases as bandwidth increases till some extent after which stability decreases 4. There was a figure of 4:1 MUX in which A and B are select lines. Inputs S0 and S1 are connected       together and labeled as C where as S2 and S3 are connected together and labeled as D. Then which of the following is true?      a) Y= B+C      b) Y= A+C      c) Y= A+B      d) Y= C+D      (Where Y is the output) 5.  In step up transformer (or Step down… not sure) transformation ratio is 1:5. If the impedance of secondary winding is 16 ohm then what is the impedance of primary winding?       a) 80    b) 3.2  6.  There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH (or 0.2uH or 0.2H not sure).AC voltage =150 sin (1000t).what is the current flowing in the circuit?     a) i=  7.5 sin (1000t)     b) i= -7.5 sin (1000t)     c) i=  7.5 cos (1000t)     d) i= -7.5 cos (1000t) 7. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is    a) 60    b) 25   c) 10    d) 0 8. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)    ans --c    i= (Vs/R)exp(-t/ T) 

9. 2’s complement of -17       ans --  01111 10. Instrumentation amplifier is used for--------- --?    a). effective shielding    b). high resective filters    c). high common mode    d). all the above. 11. In “ON CHIP” decoding memory can be decoded to       a) 2^n   b)2^n +1   c)2^n -1   d) some other choice 12. Half of address 0Xffffffff   is       a) 77777777   b) 80000000   c) 7FFFFFFF  d) some other choice 13. Which one of the following is used for high speed power application?        a) BJT   b) MOSFET  c) IGBT    d) TRIAC 14. One question related with SCR rotation angle given  ifring angle is 30degree        ans - 150degree

15. SCR is used for      a) To achieve optimum (or maximum  ...not sure) dv/dt      b) For high current ratings      c) To achieve high voltage      d) Some other choice 16. State in which o/p collector current of transistor remains constant in spite of increase in base current is    a) Q point  b) Saturation   c) Cut off 17. A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate at    which bit is transferred is    a) 128  b) 48   c)      d) 18. To use variable as recursive, variable should be used as    a) Static    b) Global     c) Global static  d) Automatic

19. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.    a). 20.5 MHz    b). 2.65 KHz    c). 20.5 KHz    d). none

20.for the parallel circuit (one figure is given) Is= 10mA.  R1= 2R, R2=3R, R3= 4R. R is artritary    a). 3.076mA    b). 3.76mA   21. main ()    {    int a=0x1234;    a=a>>12;    a=a<<12;    printf (“%x”, a);    }    What is the output?      a)1000 b) 2000 c)      d) None of these 22. What does (*fun () []) (int) indicate?         ans...b).  an array of pointer to a  functions that an int as parameter and return int. 23. #define A 10+10    main ()    {        int a;        a=A*A;        printf (“%d”, a);    }    a) 100  b) 200  c) 120  d) 400

24. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate  25. Question related with serial in parallel out shift register…What is output sequence?    Ans.....    1010 26. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f? 27. if (fun ())    {    X++;    }    X gets incremented if and only if    a)  fun () returns 0    b) fun () return 1    c) fun () return  -1    d) return a value other than 0 

28. In dynamic memory      a) Power dissipation is less than that of static memory      b) Clock is needed      c) Refreshing is required      d) All the above 29. Short, int and long integers have how many bytes?       a)2,2,4        b) Machine dependant        c)2,4,8  d) Some other choice 30. A (n) is -----------filter combination of       a) Passive        b) Active       c) AMPLIFIER            d) BOOSTER 31.Mobility of electron is     a) Increases as temperature increases     b) Decreases as temp decreases     c) Independent of conductivity     d) Some other choice 32. Structure comparison is done    a). yes    b) no    c) compiler dependent    d) 33. The system in which communication occurs in both ways but not simultaneously in both ways is       a) Half simplex   b) Simplex      c) Half duplex   d) duplex 34. main ()    {    int a=5, b=6;    int i=0;    i=a>b? a:b;    printf (“%d”, i);    }    a) 0      b) 1           c)  6           d)

35. int fun (char c)    {    int i;    static int y ;}    a) c, i are stored in stack and y stored in data segment    b)c stored in stack and i,y are stored in data segment    c) c is stored in text segment, y in data and i in stack 36. main ()

    {        int *p;        short int i;        p= (char *) malloc (i*10); (code was showing error here)        p+=10;        printf (“%d”, p);    }    Value of p? 37.  main ()    {        int *p,i[2]={1,2, 3};        p=i;        printf (“%d %d %d”, i [0],*p,*p+1) ;    }

38. F = A'B' + C' + D' + E' then    A) F = A+B+C+D+E    B) F= (A+B)CDE    C) F = AB(C+D+E)    D) F= AB+C+D+E

39. how would you insert pre-written code into a current program?    a) #read     b) #get     c) #include     d) #pre

40.structure may contain    a) any other structure    b) any other structure expect themselves    c) any other structure except themselves and pointed to themselves    d) none of the above

41. three boys x,y,z and three girls x,y,z... sit around a round table . but x does not want any girl sitting to him and girl y does not want any boy sitting next. how many ways can they be seated.    a)  2    b)  4    c)  6    d)  8

42. k is brother of n and x.  y is the mother of n  and  z  is  is the father of  k .  which of the following statement is not definitely true.    a) k is the son of z.    b) y is the wife of z.

    c) k is the son of y.    d) n is the brother of x.

43. find the lateral surface of a prism with a triangular base if the perimeter of the base is 34 cm. and the height is 45 cm.    a) 765 square cm.    b) 3060 square cm.    c) 1530 square cm.    d) none

44.Given a< b< c < d . what is the max ratio of given equation    a) (a+b)/(c+d)       b) (b+c)/ (a+d)      c) (c+d)/ (a+b)       d) (a+c)/ (b+d)

45. A and B starts moving from points X and Y simultaneously at a speed of 5kmph and 7kmph to a destination point which is of 27 km from points X and Y. B reaches Y earlier than A and immediately turns back and met Z. Find the distance XZ.    ans.... 22.5 km

46. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true?     a) Ann is taller than Tom  b)    c)          d) Data insufficient 47. A and B starts from same point at opposite direction. They will move 6km and take 8km left. How Far is A and B from each other?    ans ...20m 48.6440 soldiers are to be arranged in the shape of square. If 40 soldiers were kept out then the number of soldiers making each straight line is?      Ans --80 49. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?    a) 20   b) 40   c) d) (Answer is 40. Two numbers are 20 and 2) 50. In an examination 4 marks are assigned for correct answer and 1 mark is deducted for wrong answer. However one student attempted all 60 questions and scored 130.Number of questions he attempted correct is?   a) 35   b) 38   c) 42 d) 35 51. Each ruby is of 0.3 kg and diamond is of 0.4 kg.Ruby costs 400 crores and diamond costs 500 crores. Ruby and diamonds have to be put into a bag. Bag cannot contain more than 12 kg.Which of   the following gives maximum profit (or in terms of wealth) (In

crores)     ans ...only ruby 40p

52. the cpu stack is placed in ....    a). cpu resister    b). RAM    c). ROM    d). hard disk

53). (10 | 7) would produce    a). 17    b). 3    c). 11    d). 15

ENGLISH sectionfill in the blanks...... .. the answers is 61) a). impounded  b). protected    c). hounded     d). relegated.62).a). oblinion   b). authertiory  c). dejection   d). deso.......63).a). subdued    b). bountiful    c). tentative   d). ardem.64).a).            b). esulcant     c). emblerratie d). innate65).manor --       d).  n. the landed estate of a land or nobleman.66).neologism --   c). n. giving a new meaning to an add word.67).batten --      b). n. a narrow strip of wood.68).tepid --       d). adj. lacking interest enhusi...., luewarm69. discerning  -- d). adj. distinguishin one thing from another, having good judgment

1)Kirchoff’s nodal equations based on the principle ofa)conservation of energyb)conservation of chargec)conservation of powerd)impedance matching2)networks connected in series following pairs are most suitable for1.       Abcd parameters2.       Z parameters3.       Y4.       H3)For ideal filter , phase characteristics are1.       Line2.       Exponential3.       Logarthimic4)Quality factor of rlc series ckt is5)If geta=1, the roots of cequ are1.       Real2.       Imaginary3.       Real and repeated4.       Comp and conjugate

6)For a 6db attenuator , if input power is 100MW ,o/p power will be =?7)F(t)=t e at, F(S)=?8)F(S)=1/(s+a)2, f(t)   =?9)For a perfectly matched tx line , reflection coefficient=?10)Radiation pattern of isotropic radiator is1.       Figure of eight2.       Circular3.       Ellipse4.       Sinx/x function11)Which of the following modulation is non linear1.       A.M2.       SSB3.       FM4.       PM12)Amplitude limiter essentially a1.       Square ckt2.       Clipper3.       Clamper4.       Rectifier13)Waveguide acts as1.       Lpf2.       Bpf3.       Hpf4.       Apf14)x-band rangeis15)reflection coefficient is zero , then the line is1.       Open ckt2.       Short ckt3.       Infinite4.       Terminated by 50ohms16)Which of the following microphone provide high directivity1.       Carbone2.       Condenser3.       Ribbon4.       Crystal17)Dynamic memory cells are constructed using18)Which of the following is most efficient1.       Ppm2.       Pdm3.       Pam4.       Qam19)Which of the following has higher bandwidth1.       Pam2.       Pdm3.       Ppm4.       Am20)Essential channel capacity is a measure of21)Lossless line condition is?22)Typical bit rate of keyboard devices ?23)16 in octal s/m is?24)No of bits represents 16 is25)16 bit width ,8085 mapps    ans 64kilobytes26)Which of the following  flipflop doesn’t have race problem?

27)Memory word size of 8085 microprocessor?28)Flip flop used in shift register29)And gate30)Static electricity is formed for?31)Cc has current gain and input impedance ?32)Dominant mode TE1033)Wave length in waveguide equal to ,greater than , lessthan ,independent of free space wave length34)Half adder has how many ips and ops35)Parallel to serial converter36)Semiconductor memories1.       Volatile2.       Non volatile37)Magnetron is1.       Highpower microwave oscillator2.       Lowpower microwave oscillator3.       High gain amplifier4.       Low power amplifier38)Bethe-hole coupler uses1.       Ferrite material2.       Dielectric3.       Gunn diode39)Power gain=40Voltage gain=200Current gain=?40)Bandwidth =resonant frequency/qualityfactor41)Differentiation of u(t)?42)Freespace impedance?43)Resonant frequency of rlc ckt is ?44)Tfunction=k(s+1)/s(s-2+j3)(s-2-j3), no of poles=?45)Tfuncion 1-s/1+s , it is known as1.       Low pass system2.       All pass system3.       High pass system4.       Band pass system46)G=k/s2(1+sT)then order and type=?47)Which of the following component is passive and reciprocal1.       Circulator2.       Isolator3.       Pin diode attenatur4.       Direction coupler48)Broad side array interelement phase shift is1.       1802.       903.       04.       4549)R=100ohms,C=100pf, TIME CONST=?50)Isotropic antenna gain is1.       0db2.       6db3.       3db4.       10db51)In one timeconstant  the final value increases by _____________value

52)ABCD PARAMETERS of ELECTRICAL SYMMETRYAd-bc=153)s-equation of L DI/DT1.       1/ls2.       1/ls23.       Ls4.       Ls254)In a CE amplifier ,if a C.E voltage increase55)Transfer function has 2poles on L.HS PLANE and 2zeros on r h s plane this results1.       Lpf2.       Hpf3.       Bpf4.       Allpass56)The gain at corner frequency is?57)t.v s/m am- picture,fm-sound58)code used in teleprinter59)bandwidth of telephoneis60)bit is aunit of61)when 2 nlw are connected in parallelz-parameter addh-parametey-parameterabcd parameter62)beamwidth of antenna is1.       Inversely Proportional aperturelength2.       Directly proportional aperture length3.       Square root of frequency4.       Independent of aperture length63)Convolution of two u(t)?64)T function H(s)=1/(s+1),h(f)=?65)Typical q factor of crystal oscillator66)In pnp transistor saturation current is due to67)When both junction of a transistor is forward biased then it is said to be in68)50ohms line matched to 200 ohms load through quarter wavelength transmission , the characteristic impedance of matched line should be1.       75ohms2.       100ohms3.       200ohms4.       50ohms69)F(s)=1/s2, then f(t)?70)Fourier series expansion of a even periodic function contains ?1.       Cosine and const term2.       Only constant terms3.       Sine terms and constants4.       Only sine terms71)If ip of ckt is sine , the steady state op willbe exponentially decay with time const,sin , damped sinusoidal72)Power gain of emitter follower ?73)Highest voltage gain can be obtained from1.       Cc2.       Ce3.       Cb4.       Ce and cb

74)Differentiation of time domain is equal to1.       Division by s in freq domain2.       Multiplication by s in freq domain3.       Multiplication by e-st4.       Multiplication by 1/e-st75)Standard rect waveguide width to  height ratio1.       3:12.       3:23.       2:14.       1:276)Which is micro wave oscillator1.       Magnetron2.       Twt3.       Two cavity klystron4.       Laser77)If transmission line open ckt then vswr?78)Pn junction reversebiased then,79)Hall effect used to measure?80)P type semiconductor properties? 

SECTION 1(TECHNICAL) 1. A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate   at which bit is transferred is    a) 128  b) 48   c)      d)

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)    d) 010101     2. The relationship b/w Gain & Bandwidth?    a) Independent of each other    b) Gain decreases as bandwidth decreases    c) Gain increases as bandwidth increases till some extent after which stability decreases 3. In “ON CHIP” decoding memory can be decoded to       a) 2^n   b)2^n +1   c)2^n -1   d) some other choice     Ans: a

4. Half of address 0Xffffffff   is       a) 77777777   b) 80000000   c) 7FFFFFFF  d) some other choice

5. For a 4 bit succe D/A with 16v o/p the resolution is

     a)10v  b)1v  c)1.6v  d)16v      Ans : b       

6.  A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get   max efficiency what will be the total loss in tr in w       a) 550  b) 500  c) 600   d) Data insufficient  Ans : b 7.  There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit?     a)    b)     c )    d) 8. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is    a) 60    b) 25   c) 10    d) 0 9. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)    ans --c    i= (Vs/R)exp(-t/ T)  10.SCR s are connected in series to get

      a) high current rating b) voltage regulation c) high v rating d)some other

Ans: c   11. Which one of the following is used for high speed power application?        a) BJT   b) MOSFET  c) IGBT    d) TRIAC 12. One question related with SCR timing dia         13. SCR is used for      a) To achieve optimum (or maximum  ...not sure) dv/dt      b) For high current ratings      c) To achieve high voltage      d) Some other choice 14. State in which o/p collector current of transistor remains constant in spite of increase in base current is    a) Q point  b) Saturation   c) Cut off

 

15. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.

    a). 20.5 MHz    b). 2.65 KHz    c). 20.5 KHz    d). none

16.for the parallel circuit (one figure is given) Is= 10mA.  R1= 2R, R2=3R, R3= 4R. R is artritary    a). 3.076mA    b). 3.76mA   17 . Two ques on control sys like the sys will be  stable when    the roots are  a) real & +ve  b) real & -ve  c)  d)

20 The ques on Niquest plot21 0ne ques on root locus22. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate 23. Question related with serial in parallel out shift register…What is output sequence?    Ans.....    101024. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?25. #define A 10+10    main ()    {        int a;        a=A*A;        printf (“%d”, a);    }    a) 100  b) 200  c) 120  d) 400 ans : c

26. main(){int n=0;while(n>32767)pf(“%d”,n);n++} ans ; indefinite loop here ihe loop will continue again & again ie after 32767 the go to -32768

27. if (fun ())    {    X++;    }    X gets incremented if and only if    a)  fun () returns 0

    b) fun () return 1    c) fun () return  -1    d) return a value other than 0   ans ; d28. In dynamic memory      a) Power dissipation is less than that of static memory      b) Clock is needed      c) Refreshing is required      d) All the above 29. Short, int and long integers have how many bytes?       a)2,2,4        b) Machine dependant        c)2,4,8  d) Some other choice   ans : b30. A (n) is -----------filter combination of       a) Passive        b) Active       c) AMPLIFIER            d) BOOSTER 31. according to ohms law the current density is proportional to     a) current  b) di/ds  c) applied emf    d)  

32 Two more ques on gravity ie  body is projected then find the time of fall  and some physics ques33. Structure comparison is done    a). yes    b) no    c) compiler dependent    d) 34. The system in which communication occurs in both ways but not simultaneously in both ways is       a) Half simplex   b) Simplex      c) Half duplex   d) duplex 35. main ()    {    int a=5, b=6;    int i=0;    i=a>b? a:b;    printf (“%d”, i);    }    a) 0      b) 1       c)  6           d)5

36. int fun (char c)    {    int i;    static int y ;}    a) c, i are stored in stack and y stored in data segment    b)c stored in stack and i,y are stored in data segment    c) c is stored in text segment, y in data and i in stack 

37. how would you insert pre-written code into a current program?    a) #read    b) #get    c) #include    d) #pre ans: c

38.structure may contain    a) any other structure    b) any other structure expect themselves    c) any other structure except themselves and pointed to themselves    d) none of the above

39  One ques from pointer declaration

Section II40 If a>4,b<-1 then which of the following is true  a)2a+b<0 b) 4a<3b  c) a>4b d) some oth

41 In a class out of 150 studs  participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all  the games a)110   b)100    c) 96  Ans a

42. 20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work togethera)5c/6    b)c/6    c) 6c/5

43. find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24feet    a) 1320square f.    b) 260 square f.    c) 96 square f.    d) none  ans : c

44. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true?     a) Ann is taller than Tom  b)    c)          d) Data insufficient   ans : d 45. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?    a) 20   b) 40   c) d) (Answer is 40. Two numbers are 20 and 2) 46). (10 | 7) would produce    a). 17    b). 3

    c). 11    d). 15

1)A student was performing an arithmetic operation and he multiplied a number by 3/2 instead of dividing it by 2/3 ...what was its error percentage..??sol: 0%

2) Probability: a radioactive element disintegrates by 20 th part every hour and find the probability that no matter is left out in a duration of 45 min...??sol: since it deals with radioactive element 'n' is usually large..so poissons distribution is to be applied... 1hr=60min----------20 45min----------? (45*20)/(60)=15.. Hence lamba=15 P(x=0)= (e-15)*(150)/(0!) =(e-15)

3) If side of the square is x+2 and side of equilateral triangle is 2x and the perimeters of both square and equilateral triangle are equal ...then find the value of x..??sol: 4*(x+2)=(3*2x) i.e; x=4

4) if side of the square of increased by 5 and change in area was 165 then find the value of side of the square...??sol: (x+5)2-x2=165 10x+25=165 10x=140 x=14

5) What is the name of the Command used to partition the diskANS: fdiskSol: When you run the fdisk and format commands, the Master Boot Record (MBR) and file allocation tables are created. The MBR and file allocation tables store the necessary disk geometry that allows hard disk to accept, store, and retrieve data

6)A question from MS-DOSans)msconfig.exe

7) A quesion is on paging(Memory management)Formulae: Effective access time=((1-p)*m+(p*s))where (1-p) is called hit ratio, p is called page fault ratio, 'm' is called main memory access time, 's' is called pagefault service time.

8) The header file that is included to use manipulators is

9) Which data structure is easier to implement the trees...???sol: Linked Lists..

10)Function used to display the character on the console is ..??sol: PUT

11) No of nodes in a perfect Binary tree is..??sol: (2*n-1)

12) No of queues needed to implement the priority queue..??ans:twosol: Priority queue uses two queues1) for storing the data2) other for storing the priorities.

13)Heterogeneous Linked List is implemented using...???sol: void pointers

14) a variable used to store the address of another variable is termed as..??sol: Pointer..

15) #includevoid main(){int i = 15;int const &j = i;cout << i << j << endl;i = 9;cout << i << j << endl}ANS:15 159 9

16) Virtual Memory consist of main memory and ...???

sol: Swap files

17) Which class addressing system has less no of hosts...???sol: class D(not sure)

18) Which of the following is a network layer protocola) TELNET b) FTP. c)smtp d)nonesol: telnet

19) many questions on computer networks....( around 10 questions....i left all of them)

Prepare 'top down approach' - ross and kurose for computer networks...it would be helpful..

b) Quantitative:

20) a man sells an article with a 20% discount and gain a profit of 20%...what would be the profit percentage if he sells it with 10% discount...??sol; 35(not sure)

21)sum of the infinite terms in a gp is 230 and sum of squares is 23 ...find the common ratio.sol: 10/13

22) fourth term of an ap is 200 and first term is 5 find the tenth term...??

23) if S+2R=220 and S=80 then R=.???sol: 70

24) if 25% of x=y then 67.5% of x in terms of y is...sol: 100/y2 (not sure)

25)#include.main(){int const *p = 10;printf(“%d”, ++(*p));}Ans: Compilation Errorsol: Constant cant be modified.

26) .main(){int I;

char *a = “man”;for(i=0;i<3;i++)printf(“%c%c%c%c\n”,i[a],a[i],*(a+i),*(i+a));}ans: mmmm aaaa nnnn

27)main(){extern int i = 10;printf(“%d”,i);}Ans: Compiler error

28)main(){float f= 1.1;double d = 1.1;if ( f == d)printf(“I LOVE U”);elseprintf(“I HATE U”);}Ans: I HATE USol: Due to precision Considerations ...5) A tree was given and postorder traversal is to be found out...(Easy)

Robert BoschPlacement Paper January 2011:-

1 In a class out of 150 studs participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the games

a)110 b)100 c) 96 Ans a

2. 20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work together

a)5c/6 b)c/6 c) 6c/5

3. find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24feet

a) 1320square f.b) 260 square f.c) 96 square f.d) none

ans : c

4. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true

a) Ann is taller than Tom b) c) d) Data insufficient ans : d 5. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?

a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2) 6). (10 | 7) would produce

a). 17b). 3c). 11d). 15

7. A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in w

a) 550 b) 500 c) 600 d) Data insufficient Ans : b 8. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit?

a) b) c ) d)

9. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is

a) 60 b) 25 c) 10 d) 0 10. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)

ans --c i= (Vs/R)exp(-t/ T) 11.SCR s are connected in series to get

12. according to ohms law the current density is proportional to

a) current b) di/ds c) applied emf d)

13 Two more ques on gravity ie body is projected then find the time of fall and some physics ques

14. Structure comparison is done

a). yesb) noc) compiler dependentd) 15. The system in which communication occurs in both ways but not simultaneously in both ways is

a) Half simplex b) Simplex c) Half duplex d) duplex 16. main (){int a=5, b=6;int i=0;i=a>b? a:b;printf (“%d”, i);}a) 0 b) 1 c) 6 d)5

a) high current rating b) voltage regulation c) high v rating d)some other

Ans: c 17. Which one of the following is used for high speed power application?

a) BJT b) MOSFET c) IGBT d) TRIAC 18. One question related with SCR timing dia

19. SCR is used for

a) To achieve optimum (or maximum ...not sure) dv/dtb) For high current ratingsc) To achieve high voltaged) Some other choice 20. State in which o/p collector current of transistor remains constant in spite of increase in base current is

a) Q point b) Saturation c) Cut off

21. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.

a). 20.5 MHzb). 2.65 KHzc). 20.5 KHzd). none

22.for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritary

a). 3.076mAb). 3.76mA 23 . Two ques on control sys like the sys will be stable when the roots are

a) real & +ve b) real & -ve c) d)

24 The ques on Niquest plot

25 0ne ques on root locus

26. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate

27. Question related with serial in parallel out shift register…What is output sequence?

Ans..... 1010

28. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?

29. #define A 10+10main (){int a;a=A*A;printf (“%d”, a);}a) 100 b) 200 c) 120 d) 400

ans : c

30. main(){int n=0;while(n>32767)pf(“%d”,n);n++}

ans ; indefinite loop here ihe loop will continue again & again ie after 32767 the go to -32768

32. if (fun ()){X++;}X gets incremented if and only ifa) fun () returns 0b) fun () return 1c) fun () return -1d) return a value other than 0 ans ; d

33. In dynamic memory

a) Power dissipation is less than that of static memoryb) Clock is neededc) Refreshing is requiredd) All the above 34. Short, int and long integers have how many bytes?

a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice ans : b

35. A (n) is -----------filter combination of

a) Passive b) Active c) AMPLIFIER d) BOOSTER 36. int fun (char c){int i;static int y ;}a) c, i are stored in stack and y stored in data segmentb)c stored in stack and i,y are stored in data segmentc) c is stored in text segment, y in data and i in stack 37. how would you insert pre-written code into a current program?

a) #readb) #getc) #included) #pre ans: c

38.structure may contain

a) any other structureb) any other structure expect themselvesc) any other structure except themselves and pointed to themselvesd) none of the above

39 One ques from pointer declaration

Section II

40 If a>4,b<-1 then which of the following is true

a)2a+b<0 b) 4a<3b c) a>4b d) some oth

41. A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate at which bit is transferred is

a) 128 b) 48 c) d)

42. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)

d) 010101 43. The relationship b/w Gain & Bandwidth?a) Independent of each otherb) Gain decreases as bandwidth decreasesc) Gain increases as bandwidth increases till some extent after which stability decreases 44. In “ON CHIP” decoding memory can be decoded to

a) 2^n b)2^n +1 c)2^n -1 d) some other choice Ans: a

45. Half of address 0Xffffffff is

a) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice

46. For a 4 bit succe D/A with 16v o/p the resolution is

a)10v b)1v c)1.6v d)16v Ans : b