Number Systems (IMO- Mathematics Olympiad Class 6): Questions 30 - 37 of 84

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Question number: 30

» Number Systems

MCQ▾

Question

Additive identity is________

Choices

Choice (4) Response

a.

1

b.

0

c.

2

d.

3

Question number: 31

» Number Systems

MCQ▾

Question

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

Choices

Choice (4) Response

a.

2

b.

22

c.

12

d.

20

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.

Equation

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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

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