IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 178 - 186 of 1040

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Question number: 178

» Square and Square Roots

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MCQ▾

Question

If = 4, then = ________.

Choices

Choice (4) Response

a.

123

b.

100

c.

144

d.

169

Question number: 179

» Square and Square Roots

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

9801

b.

9805

c.

9901

d.

9900

Question number: 180

» Square and Square Roots

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MCQ▾

Question

Which of the following is not a perfect square?

Choices

Choice (4) Response

a.

1638

b.

16384

c.

100489

d.

5329

Question number: 181

» Square and Square Roots

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MCQ▾

Question

A number is multiplied by itself and then 10 is subtracted from the product. If the final result is 590, then find the original number.

Choices

Choice (4) Response

a.

60

b.

36

c.

30

d.

50

Question number: 182

» Cube and Cube Roots

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MCQ▾

Question

Three numbers are in the ratio of 4: 3: 2. The sum of their cubes is 21384. The numbers are________.

Choices

Choice (4) Response

a.

b.

6: 12: 18

c.

15: 30: 45

d.

Question number: 183

» Square and Square Roots

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MCQ▾

Question

If , then

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 184

» Cube and Cube Roots

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

4.00

b.

2.5

c.

7.5

d.

8.5

Question number: 185

» Cube and Cube Roots

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MCQ▾

Question

If , then is equal to________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 186

» Square and Square Roots

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MCQ▾

Question

If , then the value of is________.

Choices

Choice (4) Response

a.

11.1

b.

24.7

c.

22.7

d.

30.2