IMO- Mathematics Olympiad (SOF) Class 8: Questions 136 - 144 of 1030

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Question number: 136

» Square and Square Roots

MCQ▾

Question

A number is multiplied by half of itself and then 10 is added to the product. If the final result is 82, then find the original number.

Choices

Choice (4) Response

a.

11

b.

14

c.

12

d.

13

Question number: 137

» Square and Square Roots

MCQ▾

Question

The area of a square field is sq. m. The length of each side of the field is ________.

Choices

Choice (4) Response

a.

2.30

b.

5.42

c.

2.50

d.

1.92

Question number: 138

» Square and Square Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

0

b.

3

c.

d.

Question number: 139

» Square and Square Roots

MCQ▾

Question

The square root of correct to two decimal places is

Choices

Choice (4) Response

a.

2.86

b.

1.87

c.

2.88

d.

2.33

Question number: 140

» Square and Square Roots

True-False▾

Question

Is the Following Statement True or False?

If p and q are perfect squares, then is always a rational number, is the statement true?

Question number: 141

» Square and Square Roots

MCQ▾

Question

Square root of is________.

Choices

Choice (4) Response

a.

17

b.

11

c.

14

d.

15

Question number: 142

» Square and Square Roots

MCQ▾

Question

Between which two consecutive whole numbers does lie?

Choices

Choice (4) Response

a.

6 and 7

b.

10 and 11

c.

9 and 10

d.

8 and 9

Question number: 143

» Square and Square Roots

MCQ▾

Question

Between which two consecutive whole numbers does lie?

Choices

Choice (4) Response

a.

7 and 8

b.

9 and 10

c.

8 and 9

d.

10 and 11

Question number: 144

» Square and Square Roots

MCQ▾

Question

Find the smallest square number which is exactly divisible by 2,3, 9,15 and 30 is, ________

Choices

Choice (4) Response

a.

100

b.

500

c.

180

d.

900

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