Exponents and Powers (IMO- Mathematics Olympiad Class 8): Questions 33 - 41 of 61

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Question number: 33

» Exponents and Powers

MCQ▾

Question

The value of 32001+319993200031998 , is________.

Choices

Choice (4) Response
a.

3

b.

5

c.

2

d.

4

Question number: 34

» Exponents and Powers

MCQ▾

Question

The value of (25)1 is________.

Choices

Choice (4) Response
a.

1

b.

52

c.

52

d.

25

Question number: 35

» Exponents and Powers

MCQ▾

Question

If ax=by=cz and c=b2a , then x equals

Choices

Choice (4) Response
a.

y+z2yx

b.

2yxx+y

c.

2zxx+z

d.

xy2x+y

Question number: 36

» Exponents and Powers

MCQ▾

Question

If 7×72×72×752=73+a , then the value of a is

Choices

Choice (4) Response
a.

1

b.

2

c.

4

d.

3

Question number: 37

» Exponents and Powers

MCQ▾

Question

The value of 7100799799798 , is________.

Choices

Choice (4) Response
a.

3

b.

5

c.

4

d.

7

Question number: 38

» Exponents and Powers

MCQ▾

Question

If 22×24÷212=24+a , then the value of a is

Choices

Choice (4) Response
a.

3

b.

1

c.

2

d.

4

Question number: 39

» Exponents and Powers

MCQ▾

Question

Number of prime factors in 69×(35)15(21)5×(14)9 is

Choices

Choice (4) Response
a.

20

b.

28

c.

23

d.

22

Question number: 40

» Exponents and Powers

MCQ▾

Question

The value of x+x(xx) when x=3 is________.

Choices

Choice (4) Response
a.

80

b.

81

c.

85

d.

84

Question number: 41

» Exponents and Powers

MCQ▾

Question

Number of prime factors in 214×(10)25×(14)12(35)11 is

Choices

Choice (4) Response
a.

73

b.

60

c.

66

d.

70

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