# Rational Numbers (IMO- Mathematics Olympiad Class 8): Questions 45 - 51 of 66

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## Question number: 45

» Rational Numbers

MCQ▾

### Question

What should be subtracted from to get ?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 46

» Rational Numbers

MCQ▾

### Question

The sum of the additive inverse and multiplicative inverse of 3 is_.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 47

» Rational Numbers

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

Associativity of multiplication

c.

Commutativity

d.

## Question number: 48

» Rational Numbers

MCQ▾

### Question

The value of for which the two rational numbers , are equivalent, is_.

### Choices

Choice (4) Response

a.

13

b.

30

c.

5

d.

31

## Question number: 49

» Rational Numbers

MCQ▾

### Question

A rational number between and is

### Choices

Choice (4) Response

a.

0.45

b.

0.49

c.

0.34

d.

All a. , b. and c. are correct

## Question number: 50

» Rational Numbers

MCQ▾

### Question

The product of two rational numbers is 20. If one of the number is 12, find the other?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 51

» Rational Numbers

MCQ▾

### Question

What should be added to to get

### Choices

Choice (4) Response

a.

b.

c.

d.

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