# Rational Numbers (IMO- Mathematics Olympiad (SOF) Class 8): Questions 18 - 26 of 66

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1030 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

## Question number: 18

» Rational Numbers

MCQ▾

### Question

The standard form of is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 19

» Rational Numbers

MCQ▾

### Question

The multiplicative inverse of 2 is

### Choices

Choice (4) Response

a.

b.

0

c.

2

d.

1

## Question number: 20

» Rational Numbers

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

» Rational Numbers

MCQ▾

Simplify:

### Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

3

## Question number: 22

» Rational Numbers

MCQ▾

### Question

The cost of 8 meters rope is Rs. 15. Find its cost per meter.

### Choices

Choice (4) Response

a.

1.87

b.

1.52

c.

1.25

d.

2.00

## Question number: 23

» Rational Numbers

MCQ▾

### Question

We divide additive inverse of 2 by their multiplicative inverse of 2. Then answer is_.

### Choices

Choice (4) Response

a.

-1

b.

-4

c.

2

d.

1

## Question number: 24

» Rational Numbers

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

1

## Question number: 25

» Rational Numbers

MCQ▾

### Question

Solve the expression , If value of a = 1 and b = 0

### Choices

Choice (4) Response

a.

1

b.

-1

c.

0

d.

## Question number: 26

» Rational Numbers

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

0

b.

1

c.

3

d.

2