Number System (IMO Level 1- Mathematics Olympiad (SOF) Class 7): Questions 1 - 9 of 82

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Question number: 1

» Number System

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MCQ▾

Question

The average of the two middle rational numbers if are arranged in descending order is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Number System

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MCQ▾

Question

Which integer is the additive inverse of 5?

Choices

Choice (4) Response

a.

b.

5

c.

1

d.

0

Question number: 3

» Number System

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MCQ▾

Question

Which integer is the additive inverse of 1?

Choices

Choice (4) Response

a.

b.

3

c.

0

d.

1

Question number: 4

» Number System

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MCQ▾

Question

Which pair of numbers does not have a product equal to 36?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Number System

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MCQ▾

Question

Which of the following number is prime?

Choices

Choice (4) Response

a.

179

b.

187

c.

119

d.

247

Question number: 6

» Number System

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

240

b.

0

c.

120

d.

Question number: 7

» Number System

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MCQ▾

Question

The value of , where is absolute value of an integer is________.

Choices

Choice (4) Response

a.

1

b.

0

c.

2

d.

3

Question number: 8

» Number System

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MCQ▾

Question

The value of , where is absolute value of an integer is________.

Choices

Choice (4) Response

a.

1

b.

0

c.

3

d.

2

Question number: 9

» Number System

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MCQ▾

Question

Which of the following is an irrational number?

Choices

Choice (4) Response

a.

b.

c.

1.50

d.

2

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