Real Numbers (IMO- Mathematics Olympiad Class 10): Questions 9 - 15 of 89

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Question number: 9

» Real Numbers

MCQ▾

Question

4.27272727 is________

Choices

Choice (4) Response

a.

An integer

b.

An irrational number

c.

A rational number

d.

Not a real number

Question number: 10

» Real Numbers

MCQ▾

Question

x1,x2,x3,..,x10 are integers, none of which are divisible by 3.

The remainder when x12+x22+x32++x102isdividedby3is___________

Choices

Choice (4) Response

a.

0

b.

1 or 2

c.

0 or 2

d.

1

Question number: 11

» Real Numbers

MCQ▾

Question

Fraction 2(2+6)3(2+3) is equal to ________

Choices

Choice (4) Response

a.

1

b.

43

c.

233

d.

223

Question number: 12

» Real Numbers

MCQ▾

Question

H.C.Fof(1600,900)is ________

Choices

Choice (4) Response

a.

110

b.

140

c.

150

d.

100

Question number: 13

» Real Numbers

MCQ▾

Question

Find out a rational number lying between 15and23

Choices

Choice (4) Response

a.

130

b.

730

c.

1230

d.

1130

Question number: 14

» Real Numbers

MCQ▾

Question

If ‘u’ and‘s’ are rational numbers and 13+6136=u+s6 , then u = ________

Choices

Choice (4) Response

a.

267

b.

726

c.

87

d.

17

Question number: 15

» Real Numbers

MCQ▾

Question

Value of a+a2b2aa2b2+aa2b2a+a2b2 is ________

Choices

Choice (4) Response

a.

b2a2

b.

ab

c.

2(2a2b2)b2

d.

a2b2

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