# 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 are arranged in descending order is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Number System

MCQ▾

### Question

Which integer is the additive inverse of 5?

### Choices

Choice (4) Response

a.

0

b.

5

c.

d.

1

## Question number: 3

» Number System

MCQ▾

### Question

Which integer is the additive inverse of 1?

### Choices

Choice (4) Response

a.

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.

b.

c.

d.

## 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 is ________.

### Choices

Choice (4) Response

a.

240

b.

c.

120

d.

0

## Question number: 7

» Number System

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

2

b.

1

c.

3

d.

0

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