Review Exercise 30 Objective)

8/6/2019 Review Exercise 30 Objective)

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REVIEW EXERCISE 30

Objective Questions1. Which of the following is correct?

A a4 = a a a a

B a4 = 4 a a a a

C a4 = a + a + a + a

D (a )4 = a a a a

2. Which of the following is correct?

N B I

5 3 5

1 8 1

2 1 2

3 3 1

3. A rectangular pool has a length of 216 m, a width of 36 m and a depth of 6 m. The

volume, in m3, of the pool is

A 312

B 66

C 75

D 212

4.

3

5

32

=

A 215

9

B 65

3

C 8125

27

D 17125

72

5. The value of (2)7 (3)5 is

A 371

B 115

C 115

Pearson Malaysia Sdn. Bhd. 2008 Essential Mathematics PMR1


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D 371

6. 92 + 94 =

A 5 224

B 6 561

C 6 642

D 531 441

7. It is given that 2t= 2 048. The value oftis

A 9

B 10

C 11

D 13

8. If6

1 12m = 288, then the value ofm is

A 3

B 4

C 5

D 6

9. 33 33 =

A 36

B 39

C 69

D9

6

10. 66 107 1015 611 1014 =

A 617 1036

B 625 1028

C 629 1025

D 636 1017

11.2

1a2

5

4b4 125c3 =

A 2a2b4c3

B 25a2b4c2

C 50a2

b4

c3

D 36a2b3c2

12. 23 34 =

A 648

B 724

C 842

D 2 187



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13. If 74

58

7 53

= 7m

5n

, thenA m = 3, n = 11

B m = 4, n = 11

C m = 5, n = 11

D m = 12, n = 4

14. Which of the following is correct?

A f7 2h10 8

7h4 12f3 = 21f10h14

B 2y5 w6 3

1y3 9w6 =

3

2y8w12

C 6p4

2

1

m4

5m p9

= 15p13

m6

D4

3g3 2t8 g2 8t6 =g6t14

15. Which of the following is equal toxa b?

A xb xa

B xa xb

C xa xb

D xa xb

16. 145 143 =

A 176

B 196

C 216

D 224

17. Which of the following is not equal to a3?

A a6 a3

B a15 a12

C a18 a15

D a12 a4

18. 78s10 6s5 =

A 13s2

B 17s2

C 13s5

D 17s5



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19. 18

24

42

28

k

k

=

A 3

2k6

B 4

3k6

C4

3k8

D9

8k8

20. Which of the following is not correct?

A 10w14 25w6 =5

2w6

B 32p20 18p4 =9

16p16

C 81t12 18t2 =2

9t10

D 60x21 5x7= 12x3

21. (24)4 =

A 28

B 216

C2

44

D 2256

22. (35 105 26)3 =

A 36 217 58

B 39 233 515

C 39 251 515

D 327 233 515

23. (m4n)3 mn2 =

A m5n5

B m12n3

C m13n2

D m13n5

24. (t2)4 t3 =

A t2

B t3

C t5

D t11



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25. m8s3 m3s =

A m5s2

B m5

s4

C m7s2

D m11s4

26. (6

1y)(3y5)2 =

A y11

B2

3y11

C2

1y8

D6

1

y15

27. (5p6s3)2 (p2s)5 (2p3s2)2 =

A4

25p8s4

B 344

25

sp

C5

8100

s

p

D 100p8s5

28. Which of the following values is not equal to 2?

A 8 31

B 22 21

C 20 2

D2

2 1

29. 23 32 =

A6

1

B5

1

C9

8

D 18

1



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30. 27 32

243 53

A27

1

B9

1

C3

1

D 3

31. (2p0)2 (q4) =

A4

1q4

B 2

4

2pq

C 8

2

q

p

D 824

1

qp

32. 25 8 31

27 =

A4

1

B2

1

C 2

D 3

33. (x3y2)4 y3 =

A x7y3

B x7y11

C x12y5

D x12y11

34. 73 7 21

49 23

=

A7

1

B 1

C 7

D 7



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35.

4

64

3

8133 43

=

A729

1

B243

1

C 243

D 729

36. Calculate the value of

1

3

1

+ 64 65

.

A 19

B 35C 45

D 67

37. (2y0n6)3 y5n4 =

A5

146

y

n

B 2

222

y

n

C 5

228

y

n

D 5

188

y

n

38. Given that 3r 33 = 38, then r =

A 24

B 11

C 5

D 11

39. (f3g7)3 fg10 =

A f10g11

B f9 g31C f10g11

D f7 g11



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40. Given that

4

7

2

w

w= wn, then n =

A 20

B 1C 5

D 20

41. (kh4)3 (k3h8) =

A h4

B h20

C46

1

hk

D k6h4

42. Calculate the value of

100

9

2

3

9

1

2

1

.

A1000

9

B0001

81

C100

9

D100

27

43. (8m3y4)2 (4m2y3)3 =

A17

2

y

B17

12

y

m

C12

17

m

y

D3

104

y

m

44. If 55 5k= 5k 59, then k=

A 7B 2

C 2

D 7



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45. 8p5r0 3p2r4 =

Ap

8

B 10

424

p

r

C p34r4

D 24p3r4

46. The value of 2 23

(2 81

3 21

20)4 =

A36

1

B9

2

C 9

4

D 1

47. Given that 32 2m = 81, then m =

A 8

B 2

C8

1

D2

1

48.(5g

4

w

2

)

2

(gw

3

)

5

=A 5gw12

B 25g3w12

C 10g3w10

D 25g3w11

49. 30 (2y2)4 y5 =

A 8y

B 2y3

C 16y3

D 16y13

50. 22

2146

)6(2419

rttrtr =

A 6r3t10

B 24r3t2

C 27r3t10

D 36r4t2



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51. Simplify (2x 31

y5)3 18

74

6x

yx

.

A13

22

x

y

B15

22

3

4

x

y

C13

8

3

4

x

y

D15

15

3x

y

52. Find the value of (32 710) 51

(22 74).

A 98

1

B49

8

C8

49

D2

49

53. Simplify

2

1

41

)(

)8 1(

1 08

1 29

yp

yp .

A 2

53

y

p

B 2

59

y

p

C 3p5y2

D 9p5y2

54.5

4

m=

A 45 m

B 54 m

C ( 5m )4

D ( 4m )5



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55. Simplify (m3)3 m4.

A m2

B m5

C m10

D m13

56. It is given that 53x =x25

25, find the value ofx.

A5

1

B3

1

C5

2

D 1


Review Exercise 30 Objective)

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