Square and Square Roots (IMO- Mathematics Olympiad Class 8): Questions 19 - 27 of 67

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Question number: 19

» Square and Square Roots

MCQ▾

Question

The square root of 253 correct to two decimal places is

Choices

Choice (4) Response
a.

2.86

b.

1.87

c.

2.88

d.

2.33

Question number: 20

» Square and Square Roots

True-False▾

Following Statement is true or false:

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

Question number: 21

» Square and Square Roots

MCQ▾

Question

Square root of 0.1442.5×250.36×2.890.04 is________.

Choices

Choice (4) Response
a.

17

b.

11

c.

14

d.

15

Question number: 22

» Square and Square Roots

MCQ▾

Question

Between which two consecutive whole numbers does 48 lie?

Choices

Choice (4) Response
a.

6 and 7

b.

10 and 11

c.

9 and 10

d.

8 and 9

Question number: 23

» Square and Square Roots

MCQ▾

Question

Between which two consecutive whole numbers does 85 lie?

Choices

Choice (4) Response
a.

7 and 8

b.

9 and 10

c.

8 and 9

d.

10 and 11

Question number: 24

» 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

Question number: 25

» Square and Square Roots

MCQ▾

Question

The greatest two digit number, which is a perfect square is ________.

Choices

Choice (4) Response
a.

64

b.

16

c.

17

d.

81

Question number: 26

» Square and Square Roots

MCQ▾

Question

Square root of 0.4846.4×0.19612.1×3.64.9 is________.

Choices

Choice (4) Response
a.

1

b.

0

c.

3

d.

2

Question number: 27

» Square and Square Roots

MCQ▾

Question

The square root of 152 correct to two decimal places is

Choices

Choice (4) Response
a.

2.74

b.

2.86

c.

2.33

d.

2.88

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