# Playing With Numbers (IMO- Mathematics Olympiad Class 8): Questions 9 - 15 of 61

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## Question number: 9

» Playing With Numbers

MCQ▾

### Question

The largest natural number by which the product of three consecutive even natural numbers is always divisible is________.

### Choices

Choice (4) Response

a.

96

b.

28

c.

48

d.

18

## Question number: 10

» Playing With Numbers

MCQ▾

### Question

If , where A and B are single digit number such that, then the values of A and B are________.

### Choices

Choice (4) Response

a.

4, 5

b.

4, 4

c.

5, 5

d.

None of the above

## Question number: 11

» Playing With Numbers

MCQ▾

### Question

If , where A and B are single digit number such that, then the values of A and B are________.

### Choices

Choice (4) Response

a.

4, 5

b.

5, 4

c.

6, 9

d.

9, 6

## Question number: 12

» Playing With Numbers

MCQ▾

### Question

The least value must be given to x so that the number 3128x4 is divisible by 8 is________.

### Choices

Choice (4) Response

a.

1

b.

3

c.

4

d.

2

## Question number: 13

» Playing With Numbers

MCQ▾

### Question

If a 3-digit number ‘abc’ is divisible by 11, then________.

### Choices

Choice (4) Response

a.

is a multiple of 11

b.

is a multiple of 11

c.

is a multiple of 11

d.

is a multiple of 11

## Question number: 14

» Playing With Numbers

MCQ▾

### Question

A 3 digit number ‘cba’ is divisible by 9 if________.

### Choices

Choice (4) Response

a.

a + b + 2c is divisible by 9

b.

a + 2b + c is divisible by 9

c.

a + b + c is divisible by 9

d.

2a + b + c is divisible by 9

## Question number: 15

» Playing With Numbers

MCQ▾

### Question

If is divisible by 9, where is a digit less than 5, then the values of are________.

### Choices

Choice (4) Response

a.

2

b.

3

c.

1

d.

0

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