# Number Systems (IMO- Mathematics Olympiad (SOF) Class 6): Questions 32 - 39 of 84

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## Question number: 32

» Number Systems

MCQ▾

### Question

Multiplicative identity is________

### Choices

Choice (4) Response

a.

2

b.

0

c.

3

d.

1

## Question number: 33

» Number Systems

MCQ▾

### Question

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.

I true,

b.

I and II false

c.

I and II true

d.

II true

## Question number: 34

» Number Systems

MCQ▾

### Question

The number with which 96 is multiplied so that product remains the same is ________

### Choices

Choice (4) Response

a.

b.

1

c.

0

d.

96

## Question number: 35

» Number Systems

MCQ▾

### Question

Multiplicative identity for a rational number is________

### Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

None of the above

## Question number: 36

» Number Systems

MCQ▾

### Question

If are two whole numbers, then commutative law is applicable to subtraction if and only if

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 37

» Number Systems

MCQ▾

### Question

Which of the following statement is true if N, W and I are sets of Natural, Whole and Integer numbers respectively?

### Choices

Choice (4) Response

a.

I ⊂ W ⊂ N

b.

N ⊂ W ⊂ I

c.

I ⊂ N ⊂ W

d.

W ⊂ N ⊂ I

## Question number: 38

» Number Systems

MCQ▾

### Question

Which sign will come in the blank space to make the expression true?

### Choices

Choice (4) Response

a.

b.

>

c.

<

d.

=

## Question number: 39

» Number Systems

MCQ▾

### Question

Add the number obtained by reversing the digits of the number 59371 to the number obtained by interchanging the digits in the unit’s place and the thousand’s place of the same number, we get________.

### Choices

Choice (4) Response

a.

68774

b.

86447

c.

- 68774

d.

67784

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