# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 240 - 247 of 1059

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## Question 240

### Question

MCQ▾

While removing brackets the order in which the brackets are removed is

### Choices

Choice (4)Response

a.

() , {} , []

b.

{} , () , []

c.

[] , () , {}

d.

[] , {} , ()

## Question 241

### Question

MCQ▾

Square of any negative integer is

### Choices

Choice (4)Response

a.

0

b.

Depend on the nature of integer

c.

Negative

d.

Positive

## Question 242

### Question

MCQ▾

The least number of square tiles that will be needed to pave a plot 135 m by 15 m is

### Choices

Choice (4)Response

a.

18 tiles

b.

12 tiles

c.

9 tiles

d.

15 tiles

## Question 243

### Question

MCQ▾

The expression is equivalent to , uses the ________ property.

### Choices

Choice (4)Response

a.

Commutative

b.

Closure

c.

Identity

d.

Distributive

## Question 244

### Question

MCQ▾

Which of the following set of numbers will make the number sentence true?

________ ________ ________ = 61

### Choices

Choice (4)Response

a.

(7,9, 2)

b.

(5,10, 8)

c.

(9,6, 4)

d.

(7,9, 8)

## Question 245

MCQ▾

is divisible by

### Choices

Choice (4)Response

a.

3

b.

9

c.

3 & 9

d.

7

## Question 246

### Question

MCQ▾

The least number which when increased by 11 is exactly divisible by 11 is

### Choices

Choice (4)Response

a.

43

b.

22

c.

63

d.

32

## Question 247

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

Negative

b.

0

c.

Positive

d.

None of the above