IMO- Mathematics Olympiad Class 8: Questions 152 - 161 of 1029

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Question number: 152

» Square and Square Roots

MCQ▾

Question

If (1+434288)=(x12) , then x equals________

Choices

Choice (4) Response

a.

12

b.

20

c.

13

d.

19

Question number: 153

» Square and Square Roots

MCQ▾

Question

Between which two consecutive whole numbers does 79 lie?

Choices

Choice (4) Response

a.

8 and 9

b.

9 and 10

c.

6 and 7

d.

10 and 11

Question number: 154

» Square and Square Roots

MCQ▾

Question

The greatest three digit number, which is a perfect square is________.

Choices

Choice (4) Response

a.

984

b.

905

c.

925

d.

961

Question number: 155

» Square and Square Roots

MCQ▾

Question

If 3(x5)2=75 , then x can be

Choices

Choice (4) Response

a.

13

b.

12

c.

20

d.

11

Question number: 156

» Square and Square Roots

MCQ▾

Question

If 0.01+0.0009=x then value of x is________.

Choices

Choice (4) Response

a.

0.4

b.

0.3

c.

0.1

d.

0.2

Question number: 157

» Square and Square Roots

MCQ▾

Question

Evaluate 243+12+169

Choices

Choice (4) Response

a.

13.5

b.

11.2

c.

15.7

d.

12.00

Question number: 158

» Square and Square Roots

MCQ▾

Question

Square root of any number is________.

Choices

Choice (4) Response

a.

Always positive

b.

Always negative

c.

Positive or negative

d.

Question does not provide sufficient data or is vague

Question number: 159

» Square and Square Roots

MCQ▾

Question

Which of the following is a perfect square?

Choices

Choice (4) Response

a.

1777

b.

23457

c.

2500

d.

1638

Question number: 160

» Square and Square Roots

MCQ▾

Question

Square root of 1471369 is________.

Choices

Choice (4) Response

a.

1312

b.

1123

c.

1213

d.

2131

Question number: 161

» Square and Square Roots

MCQ▾

Question

If 5(x1)2=180 , then x can be

Choices

Choice (4) Response

a.

13

b.

15

c.

12

d.

7

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