Rational Numbers (IMO- Mathematics Olympiad Class 8): Questions 41 - 47 of 66

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Question number: 41

» Rational Numbers

MCQ▾

Question

Divide the sum of 7511 and 115 by their difference.

Choices

Choice (4) Response

a.

111324

b.

342112

c.

496254

d.

433201

Question number: 42

» Rational Numbers

MCQ▾

Question

If a = 3, then the value of (a+1a) is ________

Choices

Choice (4) Response

a.

43

b.

43

c.

23

d.

32

Question number: 43

» Rational Numbers

MCQ▾

Question

The additive inverse of ab is

Choices

Choice (4) Response

a.

ab

b.

ba

c.

ab

d.

ab

Question number: 44

» Rational Numbers

MCQ▾

Question

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

a×b+a×d=a×(b+d)

Choices

Choice (4) Response

a.

Distributive

b.

commutative

c.

Associativity

d.

None of the above

Question number: 45

» Rational Numbers

MCQ▾

Question

What should be subtracted from (2312) to get 112 ?

Choices

Choice (4) Response

a.

13

b.

14

c.

12

d.

32

Question number: 46

» Rational Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

185

b.

83

c.

29

d.

92

Question number: 47

» Rational Numbers

MCQ▾

Question

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

72×(43+1112)=72×43+72×1112

Choices

Choice (4) Response

a.

Distrbutivity of addition over multiplication

b.

Associativity of multiplication

c.

Commutativity

d.

Distributivity of multiplication over addition

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