IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 43 - 50 of 1042

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Question 43

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Question

MCQ▾

The additive inverse of is

Choices

Choice (4)Response
a.
b.
c.
d.

Question 44

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Question

MCQ▾

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

Choices

Choice (4)Response
a.Associativity
b.commutative
c.Distributive
d.Question does not provide sufficient data or is vague

Question 45

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Question

MCQ▾

What should be subtracted from to get ?

Choices

Choice (4)Response
a.
b.
c.
d.

Question 46

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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.

Question 47

Edit

Question

MCQ▾

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

Choices

Choice (4)Response
a.Commutativity
b.Associativity of multiplication
c.Distributivity of multiplication over addition
d.Distrbutivity of addition over multiplication

Question 48

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Question

MCQ▾

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

Choices

Choice (4)Response
a.13
b.30
c.31
d.5

Question 49

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Question

MCQ▾

A rational number between and is

Choices

Choice (4)Response
a.0.34
b.0.49
c.0.45
d.All a. , b. and c. are correct

Question 50

Edit

Question

MCQ▾

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.