Rational Numbers (IMO- Mathematics Olympiad Class 8): Questions 1 - 8 of 66

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Question number: 1

» Rational Numbers

MCQ▾

Question

The standard form of 102202 is

Choices

Choice (4) Response

a.

10151

b.

51101

c.

51101

d.

102202

Question number: 2

» Rational Numbers

MCQ▾

Question

The value of a for which the two rational numbers 28 , a48 are equivalent, is_.

Choices

Choice (4) Response

a.

12

b.

13

c.

14

d.

11

Question number: 3

» Rational Numbers

MCQ▾

Question

The number which is added to 95 to get 135 is

Choices

Choice (4) Response

a.

54

b.

23

c.

52

d.

45

Question number: 4

» Rational Numbers

MCQ▾

Question

Name the property of rational number illustrated by the given statement.

(23+12)+15=23+(12+15)

Choices

Choice (4) Response

a.

Associativity

b.

Distributive

c.

commutative

d.

All of the above

Question number: 5

» Rational Numbers

MCQ▾

Question

The number which is subtracted from 2513 to get 35 is

Choices

Choice (4) Response

a.

16465

b.

6365

c.

16463

d.

65164

Question number: 6

» Rational Numbers

MCQ▾

Question

The value of b for which the two rational numbers 14 , b8 are equivalent, is_.

Choices

Choice (4) Response

a.

1

b.

2

c.

0

d.

1

Question number: 7

» Rational Numbers

MCQ▾

Question

A rational number between 15 and 14 is _.

Choices

Choice (4) Response

a.

1250

b.

0.21

c.

0.23

d.

All a. , b. and c. are correct

Question number: 8

» Rational Numbers

MCQ▾

Question

If a = 2, and b = 3 then the value of (a+bb)2 is

Choices

Choice (4) Response

a.

2511

b.

259

c.

925

d.

119

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