# IMO- Mathematics Olympiad Class 6: Questions 247 - 253 of 1049

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## Question number: 247

MCQ▾

### Question

Multiplying a negative integer for odd number of times gives a ________ result.

### Choices

Choice (4) Response

a.

0

b.

Positive

c.

Negative

d.

Question does not provide sufficient data or is vague

## Question number: 248

MCQ▾

### Question

The reciprocal of prime number that is placed at third before prime number 23 is

### Choices

Choice (4) Response

a.

b.

2

c.

1

d.

0

## Question number: 249

MCQ▾

### Question

Find the sum of the given expression.

### Choices

Choice (4) Response

a.

- 21

b.

- 292

c.

315

d.

40

## Question number: 250

MCQ▾

### Question

Two tankers contain 760 liters and 570 liters of chemicals respectively, then the maximum capacity of a container which can measure the chemical out of both the tankers when used an exact number of times is ________.

### Choices

Choice (4) Response

a.

220 liters

b.

175 liters

c.

190 liters

d.

180 liters

## Question number: 251

MCQ▾

### Question

The least number which when decreased by 9 is exactly divisible by 12, 16, 24 and 48 is

### Choices

Choice (4) Response

a.

48

b.

57

c.

39

d.

16

## Question number: 252

MCQ▾

### Question

Find the smallest number which will divide the smallest 3-digit number and the smallest 4-digit number exactly.

### Choices

Choice (4) Response

a.

10

b.

5

c.

2

d.

4

## Question number: 253

MCQ▾

### Question

Which of the following is a perfect cube?

### Choices

Choice (4) Response

a.

8

b.

125

c.

64

d.

All a. , b. and c. are correct

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