IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 35 - 41 of 1022

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Question number: 35

» Number System

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MCQ▾

Question

The product of two rational numbers is . If one of the numbers is , then the other number is________.

Choices

Choice (4)Response

a.

22

b.

36

c.

49

d.

27

Question number: 36

» Number System

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MCQ▾

Question

The value of y such that and are equivalent rational numbers is________.

Choices

Choice (4)Response

a.

b.

c.

5

d.

15

Question number: 37

» Number System

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MCQ▾

Question

Simplify

Choices

Choice (4)Response

a.

8

b.

7

c.

d.

Question number: 38

» Number System

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MCQ▾

Question

A gardener plans to plant 630 trees in 21 rows each containing the same number of trees, then how many trees will there be in each row?

Choices

Choice (4)Response

a.

3

b.

30

c.

21

d.

300

Question number: 39

» Number System

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MCQ▾

Question

The sign of the product of one positive integer and one negative integer is________.

Choices

Choice (4)Response

a.

Negative

b.

Positive or Negative

c.

Positive

d.

Cannot be determined

Question number: 40

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MCQ▾

Question

What will be the sign of the product if we together multiply 200 negative integers and 12 positive integers?

Choices

Choice (4)Response

a.

Negative

b.

Data is insufficient

c.

Positive

d.

Can’t say

Question number: 41

» Number System

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MCQ▾

Question

What will be the sign of the product if we together multiply 199 negative integers and 10 positive integers?

Choices

Choice (4)Response

a.

Negative

b.

Can’t say

c.

Positive

d.

Data is insufficient

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