Number System (IMO- Mathematics Olympiad Class 7): Questions 63 - 69 of 81

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Question number: 63

» Number System

MCQ▾

Question

The value of A in A×(3+4)=10×4+10×3 , is________.

Choices

Choice (4) Response
a.

10

b.

10

c.

2 0

d.

20

Question number: 64

» Number System

MCQ▾

Question

The value of Y in Y×(5+(1))=11×4+(12)×3 , is________.

Choices

Choice (4) Response
a.

20

b.

4

c.

2

d.

2

Question number: 65

» Number System

MCQ▾

Question

Simplify 222[111{30+(755+1¯)}+111]

Choices

Choice (4) Response
a.

108

b.

190

c.

120

d.

102

Question number: 66

» Number System

MCQ▾

Question

A rational number 5

Choices

Choice (4) Response
a.

Lies to the left side of 0 on the number line

b.

Lies to the right side of 0 on the number line

c.

It is not possible to represent on the number line

d.

Cannot be determined on which side the number lies

Question number: 67

» Number System

MCQ▾

Question

A fraction xy can be expressed as a terminating decimal if y has no prime factors other than ________.

Choices

Choice (4) Response
a.

2, 3

b.

3, 5

c.

2, 3, 5

d.

2, 5

Question number: 68

» Number System

MCQ▾

Question

A rational number 13

Choices

Choice (4) Response
a.

It is not possible to represent on the number line

b.

Lies to the right side of 0 on the number line

c.

Lies to the left side of 0 on the number line

d.

Cannot be determined on which side the number lies

Question number: 69

» Number System

MCQ▾

Question

Which of the following statements is correct?

Choices

Choice (4) Response
a.

All natural numbers are whole numbers, all whole numbers are integers

b.

All integers are whole numbers, all natural numbers are integers

c.

All whole numbers are integers, all integers are natural numbers

d.

All integers are whole numbers, all integers are natural numbers

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