# IMO- Mathematics Olympiad Class 8: Questions 15 - 21 of 1029

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## Question number: 15

MCQ▾

### Question

If X = 5, then the value of is

### Choices

Choice (4) Response

a.

b.

c.

d.

-

## Question number: 16

MCQ▾

### Question

If X=, then is equal to

### Choices

Choice (4) Response

a.

b.

c.

1

d.

0

## Question number: 17

MCQ▾

### Question

Which of the following statement is false?

### Choices

Choice (4) Response

a.

b.

Real number is not a rational number

c.

Every point on the number line is not represents a rational number

d.

The product of rational number and its reciprocal is not zero

## Question number: 18

MCQ▾

### Question

The standard form of is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 19

MCQ▾

### Question

The multiplicative inverse of 2 is

### Choices

Choice (4) Response

a.

b.

0

c.

2

d.

1

## Question number: 20

MCQ▾

### Question

Name the property of multiplication of rational numbers illustrated by the given statement.

### Choices

Choice (4) Response

a.

Associativity of multiplication

b.

c.

d.

Commutativity

## Question number: 21

MCQ▾

Simplify:

### Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

3

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