IMO- Mathematics Olympiad Class 10: Questions 23 - 29 of 889

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Question number: 23

» Real Numbers

MCQ▾

Question

1.2348¯ is ________

Choices

Choice (4) Response
a.

An integer

b.

A natural number

c.

An irrational number

d.

A rational number

Question number: 24

» Real Numbers

MCQ▾

Question

If ‘a’ and ‘b’ are rational numbers and 2+323=a+b3 , then b = ________

Choices

Choice (4) Response
a.

4

b.

6

c.

7

d.

8

Question number: 25

» Real Numbers

MCQ▾

Question

If m=pqrsrs , then s equals________

Choices

Choice (4) Response
a.

mprmqrq

b.

m

c.

mpm+qr

d.

mrm+prq

Question number: 26

» Real Numbers

MCQ▾

Question

Value of 11+2+12+3+13+4+14+5+15+6+16+7+17+8+18+9 is ________

Choices

Choice (4) Response
a.

1

b.

4

c.

0

d.

2

Question number: 27

» Real Numbers

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.

8hrs

b.

100hrs

c.

60hrs

d.

120hrs

Question number: 28

» Real Numbers

MCQ▾

Question

H.C.Fof(18500, 456)is ________

Choices

Choice (4) Response
a.

10

b.

4

c.

15

d.

3

Question number: 29

» Real Numbers

MCQ▾

Question

If t=1253 , then t is equal to ________

Choices

Choice (4) Response
a.

(2+53)(1+2)3

b.

(2+53)(2+5)3

c.

(2+53)(2+5)

d.

(1+2)(2+53)3

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