IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 75 - 83 of 929

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Question number: 75

» Number System

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Question

If both ‘a’ and ‘b’ are rational numbers, then ‘a’ and ‘b’ from , are ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 76

» Number System

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Question

The rationalizing factor of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 77

» Number System

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Question

If then the value of

Choices

Choice (4) Response

a.

5

b.

2

c.

11

d.

20

Question number: 78

» Number System

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Question

If , then N equals________.

Choices

Choice (4) Response

a.

b.

0.78

c.

d.

Question number: 79

» Number System

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Question

Find the values of a and b if

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 80

» Number System

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MCQ▾

Question

If , then ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 81

» Number System

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MCQ▾

Question

can be expressed in rational form as ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 82

» Number System

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MCQ▾

Question

If , then the value of x is________.

Choices

Choice (4) Response

a.

2

b.

4

c.

1

d.

7

Question number: 83

» Number System

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MCQ▾

Question

If , then is ________.

Choices

Choice (4) Response

a.

1

b.

4

c.

2

d.

3