IMO- Mathematics Olympiad (SOF) Class 8: Questions 126 - 135 of 1029

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Question number: 126

» Square and Square Roots

MCQ▾

Question

The number must be subtracted from 13245 to get a perfect square is________.

Choices

Choice (4) Response

a.

11

b.

20

c.

15

d.

10

Question number: 127

» Square and Square Roots

MCQ▾

Question

Find the smallest square number which is exactly divisible by 15,25, and 30 is, ________

Choices

Choice (4) Response

a.

100

b.

180

c.

500

d.

900

Question number: 128

» Square and Square Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

0

b.

c.

d.

Question number: 129

» Square and Square Roots

MCQ▾

Question

If , then equals________.

Choices

Choice (4) Response

a.

3

b.

1

c.

4

d.

2

Question number: 130

» Square and Square Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

2

b.

c.

d.

Both b. and c. are correct

Question number: 131

» Square and Square Roots

MCQ▾

Question

The least two digit number, which is a perfect square is ________

Choices

Choice (4) Response

a.

4

b.

16

c.

12

d.

9

Question number: 132

» Square and Square Roots

MCQ▾

Question

Find the smallest square number which is exactly divisible by 8,12,15, and 20 is, ________

Choices

Choice (4) Response

a.

3600

b.

2500

c.

900

d.

180

Question number: 133

» Square and Square Roots

MCQ▾

Question

Which of the following is not a perfect square?

Choices

Choice (4) Response

a.

100489

b.

5329

c.

23457

d.

12544

Question number: 134

» Square and Square Roots

MCQ▾

Question

If , then the value of is________.

Choices

Choice (4) Response

a.

2

b.

5

c.

4

d.

8

Question number: 135

» Square and Square Roots

MCQ▾

Question

If , then the value of is________.

Choices

Choice (4) Response

a.

3

b.

7

c.

4

d.

5

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