Number System (IMO- Mathematics Olympiad Class 7): Questions 1 - 8 of 81

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Question number: 1

» Number System

MCQ▾

Question

The average of the two middle rational numbers if 13,14,12,16 are arranged in descending order is________.

Choices

Choice (4) Response
a.

43

b.

38

c.

76

d.

724

Question number: 2

» Number System

MCQ▾

Question

Which integer is the additive inverse of 5?

Choices

Choice (4) Response
a.

0

b.

5

c.

5

d.

1

Question number: 3

» Number System

MCQ▾

Question

Which integer is the additive inverse of 1?

Choices

Choice (4) Response
a.

1

b.

0

c.

1

d.

3

Question number: 4

» Number System

MCQ▾

Question

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

Choices

Choice (4) Response
a.

{12,72}

b.

{4,9}

c.

{3,12}

d.

{1, 36}

Question number: 5

» Number System

MCQ▾

Question

Which of the following number is prime?

Choices

Choice (4) Response
a.

179

b.

187

c.

247

d.

119

Question number: 6

» Number System

MCQ▾

Question

The value of (5)×(4)×(3)×(2)×(1)×0+0×(1)×(2)×(3)×(4)×(5) is ________.

Choices

Choice (4) Response
a.

240

b.

120

c.

120

d.

0

Question number: 7

» Number System

MCQ▾

Question

The value of 3 + 2 1 4 , where . is absolute value of an integer is________.

Choices

Choice (4) Response
a.

3

b.

0

c.

2

d.

1

Question number: 8

» Number System

MCQ▾

Question

The value of 6 + 5 7 3 , where . is absolute value of an integer is________.

Choices

Choice (4) Response
a.

2

b.

1

c.

3

d.

0

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