# Number Systems (IMO- Mathematics Olympiad Class 6): Questions 44 - 50 of 84

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## Question number: 44

» Number Systems

MCQ▾

### Question

Multiplying three negative integers with a positive integer gives a ________ result.

### Choices

Choice (4) Response

a.

Negative

b.

Positive

c.

0

d.

None of the above

## Question number: 45

» Number Systems

MCQ▾

### Question

There are 378 red cards in box. A boy takes out 9 red cards from it and replaces them by 14 blue cards. He continues to do so, till all red cards are replaced by blue cards. Find the number of blue cards put in the box?

### Choices

Choice (4) Response

a.

438

b.

658

c.

588

d.

348

## Question number: 46

» Number Systems

MCQ▾

### Question

Cube of any negative integer is

### Choices

Choice (4) Response

a.

0

b.

Negative

c.

Depend on the nature of integer

d.

Positive

## Question number: 47

» Number Systems

MCQ▾

### Question

If positive sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.

### Choices

Choice (4) Response

a.

Change

b.

Be 0

c.

Depends on the bracket

d.

Not change

## Question number: 48

» Number Systems

MCQ▾

### Question

If a, b and c are whole numbers such that a = b and c 0 and c > 0, then

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 49

» Number Systems

MCQ▾

### Question

Product of two integers is -96. If one of the integers is -8, then the other is

### Choices

Choice (4) Response

a.

12

b.

- 14

c.

0

d.

15

## Question number: 50

» Number Systems

MCQ▾

### Question

The integer which is 7 more than is

### Choices

Choice (4) Response

a.

2

b.

4

c.

d.

16

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