IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 159 - 168 of 1040

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Question number: 159

» Square and Square Roots

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MCQ▾

Question

Which of the following is a perfect square?

Choices

Choice (4) Response

a.

1777

b.

1638

c.

2500

d.

23457

Question number: 160

» Square and Square Roots

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MCQ▾

Question

Square root of 1471369 is________.

Choices

Choice (4) Response

a.

1213

b.

2131

c.

1123

d.

1312

Question number: 161

» Square and Square Roots

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MCQ▾

Question

If , then can be

Choices

Choice (4) Response

a.

15

b.

12

c.

7

d.

13

Question number: 162

» Square and Square Roots

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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.

2.50

c.

4.00

d.

1.92

Question number: 163

» Square and Square Roots

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MCQ▾

Question

= ________

Choices

Choice (4) Response

a.

13

b.

14

c.

15

d.

17

Question number: 164

» Square and Square Roots

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MCQ▾

Question

If then value of is________.

Choices

Choice (4) Response

a.

1

b.

2

c.

4

d.

3

Question number: 165

» Square and Square Roots

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MCQ▾

Question

If , and value of then

Choices

Choice (4) Response

a.

0

b.

1

c.

3

d.

2

Question number: 166

» Square and Square Roots

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MCQ▾

Question

The number must be subtracted from 2329 to get a perfect square is________.

Choices

Choice (4) Response

a.

15

b.

10

c.

25

d.

20

Question number: 167

» Square and Square Roots

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MCQ▾

Question

Square root of is________.

Choices

Choice (4) Response

a.

0.4

b.

0.5

c.

0.1

d.

0.2

Question number: 168

» Square and Square Roots

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MCQ▾

Question

A number is multiplied by itself and then 6 is added to the product. If the final result is 175, then find the original number.

Choices

Choice (4) Response

a.

13

b.

16

c.

12

d.

14