# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 116 - 124 of 1059

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## Question 116

### Question

MCQ▾

The number with which 143 is added so that the sum remains the same is ________

### Choices

Choice (4)Response

a.

143

b.

0

c.

1

d.

43

## Question 117

### Question

MCQ▾

Difference between the face value of 8 and 5 in 26,248 and 76,542 is

### Choices

Choice (4)Response

a.

805

b.

3

c.

442

d.

All of the above

## Question 118

### Question

MCQ▾

Sum of face value of 9 and 4 in 2,59, 570 and 7,34, 256 is

### Choices

Choice (4)Response

a.

13

b.

5

c.

13000

d.

5000

## Question 119

### Question

MCQ▾

If are two whole numbers, then commutative law is applicable to addition if

### Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

## Question 120

### Question

MCQ▾

Which of the following statement is true?

### Choices

Choice (4)Response

a.

99 is the largest whole number

b.

Every whole number is a natural number

c.

1 is the least whole number

d.

Every natural number is a whole number

## Question 121

MCQ▾

### Choices

Choice (4)Response

a.

1

b.

0

c.

3

d.

2

## Question 122

### Question

MCQ▾

Difference between place value of 7 face value of 5 in 81,23, 457 is________

### Choices

Choice (4)Response

a.

2

b.

20

c.

12

d.

22

## Question 123

### Question

MCQ▾

Multiplicative identity is________

### Choices

Choice (4)Response

a.

1

b.

2

c.

0

d.

3

## Question 124

### Question

MCQ▾

Which of the following statement is true?

Statement I: Every whole number is a rational number

Statement II: Every integer is a rational number

### Choices

Choice (4)Response

a.

II true

b.

I true,

c.

I and II false

d.

I and II true