IMO- Mathematics Olympiad Class 8: Questions 162 - 170 of 1029

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Question number: 162

» Square and Square Roots

MCQ▾

Question

The area of a square field is 117252500 sq. m. The length of each side of the field is ________.

Choices

Choice (4) Response

a.

1.92

b.

2.50

c.

4.00

d.

2.30

Question number: 163

» Square and Square Roots

MCQ▾

Question

274+211+196 = ________

Choices

Choice (4) Response

a.

13

b.

17

c.

14

d.

15

Question number: 164

» Square and Square Roots

MCQ▾

Question

If 0.4+0.25=x then value of x is________.

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

1

Question number: 165

» Square and Square Roots

MCQ▾

Question

If (a2+b2+2ab)=4 , and value of b=2 then a=_____.

Choices

Choice (4) Response

a.

1

b.

0

c.

3

d.

2

Question number: 166

» Square and Square Roots

MCQ▾

Question

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

Choices

Choice (4) Response

a.

25

b.

10

c.

15

d.

20

Question number: 167

» Square and Square Roots

MCQ▾

Question

Square root of 0.0250.0064×0.5762.25×3.614.4 is________.

Choices

Choice (4) Response

a.

0.5

b.

0.2

c.

0.4

d.

0.1

Question number: 168

» Square and Square Roots

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.

14

b.

13

c.

16

d.

12

Question number: 169

» Square and Square Roots

MCQ▾

Question

A number is multiplied by half to itself and then 5 is subtracted from the product. If the final result is 123, then find the original number.

Choices

Choice (4) Response

a.

12

b.

16

c.

14

d.

11

Question number: 170

» Square and Square Roots

MCQ▾

Question

The number must be subtracted from 6089 to get a perfect square is________.

Choices

Choice (4) Response

a.

8

b.

7

c.

5

d.

18

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