IMO- Mathematics Olympiad (SOF) Class 10: Questions 20 - 27 of 958

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Question number: 20

MCQ▾

Question

Given that H. C. F, find L. C. M.

Choices

Choice (4) Response

a.

100620

b.

100420

c.

100520

d.

100320

Question number: 21

MCQ▾

Question

Rational number between and is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 22

MCQ▾

Question

A eight digit number is a multiple of 73 and 137. If the second digit from left is 7, then 6th digit from the left of the number is ________

Choices

Choice (4) Response

a.

3

b.

5

c.

7

d.

9

Question number: 23

MCQ▾

is ________

Choices

Choice (4) Response

a.

An integer

b.

A natural number

c.

An irrational number

d.

A rational number

Question number: 24

MCQ▾

Question

If ‘a’ and ‘b’ are rational numbers and , then b = ________

Choices

Choice (4) Response

a.

4

b.

6

c.

7

d.

8

Question number: 25

MCQ▾

Question

If , then s equals________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 26

MCQ▾

Question

Value of is ________

Choices

Choice (4) Response

a.

1

b.

4

c.

0

d.

2

Question number: 27

MCQ▾

Question

A circular field has a circumference of 360 km. Two cyclists Sumeet and Samrat start together and can cycle at speeds of 12 km/hr and 15 km/hr respectively round the circular field. After how many hours will they meet again at the starting point?

Choices

Choice (4) Response

a.

b.

c.

d.

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