# IMO- Mathematics Olympiad Class 7: Questions 38 - 44 of 1012

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## Question number: 38

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.

21

c.

30

d.

300

## Question number: 39

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Negative

b.

Cannot be determined

c.

Positive or Negative

d.

Positive

## Question number: 40

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

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.

Data is insufficient

c.

Positive

d.

Can’t say

## Question number: 42

MCQ▾

### Question

The value of X in, is________.

### Choices

Choice (4) Response

a.

b.

c.

3

d.

2

## Question number: 43

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

4

b.

2

c.

1

d.

3

## Question number: 44

MCQ▾

### Question

The difference of the sum of even numbers and sum of odd numbers between 1 and 10 is________.

### Choices

Choice (4) Response

a.

3

b.

5

c.

4

d.

6

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