Rational Numbers (IMO- Mathematics Olympiad Class 8): Questions 32 - 40 of 66

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Question number: 32

» Rational Numbers

MCQ▾

Question

Multiply the sum of 32 and 23 by their difference.

Choices

Choice (4) Response

a.

6536

b.

25

c.

135

d.

132

Question number: 33

» Rational Numbers

MCQ▾

Question

The multiplication of two rational numbers is 34 . If one of the number is 45 , then find the other.

Choices

Choice (4) Response

a.

1516

b.

25

c.

1516

d.

1615

Question number: 34

» Rational Numbers

MCQ▾

Question

What should be multiplied to (710110) to get 15?

Choices

Choice (4) Response

a.

14

b.

13

c.

13

d.

14

Question number: 35

» Rational Numbers

MCQ▾

Question

The number, which is subtracted from 3013 to get 25 is

Choices

Choice (4) Response

a.

12463

b.

12465

c.

65124

d.

6365

Question number: 36

» Rational Numbers

MCQ▾

Question

The multiplication of additive inverse of 1 and multiplicative inverse of 1 is_

Choices

Choice (4) Response

a.

2

b.

12

c.

1

d.

-2

Question number: 37

» Rational Numbers

MCQ▾

Question

The cost of 1 kg apple is Rs. 80 then total cost of 5 Kg is

Choices

Choice (4) Response

a.

200

b.

500

c.

600

d.

400

Question number: 38

» Rational Numbers

MCQ▾

Question

If a=5 then a is equal to_.

Choices

Choice (4) Response

a.

0

b.

5

c.

1

d.

5

Question number: 39

» Rational Numbers

MCQ▾

Question

Divide the sum of 53 and 37 by their difference.

Choices

Choice (4) Response

a.

2144

b.

4426

c.

2111

d.

1121

Question number: 40

» Rational Numbers

MCQ▾

Question

The summation of two rational number is 2013 . If one of the number is 513 . Find the other.

Choices

Choice (4) Response

a.

2513

b.

2213

c.

1312

d.

1113

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