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

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## Question number: 35

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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

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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

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MCQ▾

Simplify

### Choices

Choice (4)Response

a.

8

b.

7

c.

d.

## Question number: 38

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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

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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

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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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