Exponents and Powers (IMO- Mathematics Olympiad Class 8): Questions 24 - 32 of 61

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Question number: 24

» Exponents and Powers

MCQ▾

Question

The value of (1)3+(2)3+(3)3

Choices

Choice (4) Response
a.

7

b.

1

c.

5

d.

6

Question number: 25

» Exponents and Powers

MCQ▾

Question

The value of (400)32 is ________.

Choices

Choice (4) Response
a.

100

b.

200

c.

800

d.

400

Question number: 26

» Exponents and Powers

MCQ▾

Question

The solution of 2x.210=24x , is________.

Choices

Choice (4) Response
a.

-2

b.

4

c.

3

d.

-1

Question number: 27

» Exponents and Powers

MCQ▾

Question

The value of 52000+519995199951997 , is________.

Choices

Choice (4) Response
a.

254

b.

54

c.

2514

d.

2521

Question number: 28

» Exponents and Powers

MCQ▾

Question

Which of the following values are equal?

(1) 10 (2) 30 (3) 05 (4) 31

Choices

Choice (4) Response
a.

2 and 3

b.

1 and 2

c.

1 and 3

d.

1 and 4

Question number: 29

» Exponents and Powers

MCQ▾

Question

Simplify: (xaxb)(a2+b2+ab)×(xbxc)(b2+c2+cb)×(xcxa)(c2+a2+ca)

Choices

Choice (4) Response
a.

(a+b+c)3

b.

1

c.

(a2+b2+c2)

d.

(a+b+c)

Question number: 30

» Exponents and Powers

MCQ▾

Question

Given that 100.35=x,100.80=y and xz=y2 , then the value of z is (approximately) ________.

Choices

Choice (4) Response
a.

4.21

b.

4.00

c.

4.39

d.

4.57

Question number: 31

» Exponents and Powers

MCQ▾

Question

The value of (8)2+(10)2+(5)3

Choices

Choice (4) Response
a.

15

b.

16

c.

17

d.

11

Question number: 32

» Exponents and Powers

MCQ▾

Question

The value of (3)5×3532×36 is________.

Choices

Choice (4) Response
a.

1

b.

9

c.

5

d.

4

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