Mathematics-Exponents and Powers (NSTSE (National Science Talent Search Exam- Unified Council) Class 7): Questions 1 - 11 of 80

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Question number: 1

» Mathematics » Exponents and Powers

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MCQ▾

Question

Simplify:

Choices

Choice (4) Response

a.

b.

7

c.

d.

Question number: 2

» Mathematics » Exponents and Powers

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MCQ▾

Question

Simplify:

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 3

» Mathematics » Exponents and Powers

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MCQ▾

Question

Which of the following statement is false?

Choices

Choice (4) Response

a.

, if n is an odd integer

b.

For any number a,

c.

If then n = 2

d.

All of the above

Question number: 4

» Mathematics » Exponents and Powers

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MCQ▾

Question

The rationalizing factor of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Mathematics » Exponents and Powers

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MCQ▾

Question

The value of is

Choices

Choice (4) Response

a.

- 25

b.

- 75

c.

1

d.

0

Question number: 6

» Mathematics » Exponents and Powers

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MCQ▾

Question

Simplify

Choices

Choice (4) Response

a.

2

b.

1

c.

4

d.

Question number: 7

» Mathematics » Exponents and Powers

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MCQ▾

Question

The rationalizing factor of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 8

» Mathematics » Exponents and Powers

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MCQ▾

Question

equals to

Choices

Choice (4) Response

a.

3

b.

1

c.

27

d.

Question number: 9

» Mathematics » Exponents and Powers

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MCQ▾

Question

The value of is

Choices

Choice (4) Response

a.

15625

b.

25

c.

625

d.

30

Question number: 10

» Mathematics » Exponents and Powers

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MCQ▾

Question

Simplify:

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 11

» Mathematics » Exponents and Powers

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MCQ▾

Question

The sum of the powers of the prime factors in is

Choices

Choice (4) Response

a.

6

b.

9

c.

11

d.

7

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