IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 224 - 232 of 1040

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Question number: 224

» Cube and Cube Roots

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MCQ▾

Question

By what least number must 3125 be multiplied to make it perfect cube?

Choices

Choice (4) Response

a.

5

b.

4

c.

10

d.

25

Question number: 225

» Cube and Cube Roots

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MCQ▾

Question

Three numbers are in the ratio of 1: 2: 3. The sum of their cubes is 98784. The numbers are________.

Choices

Choice (4) Response

a.

6: 12: 18

b.

10: 11: 12

c.

d.

15: 30: 45

Question number: 226

» Cube and Cube Roots

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

8

b.

4

c.

5

d.

6

Question number: 227

» Cube and Cube Roots

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MCQ▾

Question

The cube root of is________.

Choices

Choice (4) Response

a.

4

b.

64

c.

9

d.

16

Question number: 228

» Cube and Cube Roots

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MCQ▾

Question

If , then

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 229

» Cube and Cube Roots

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MCQ▾

Question

The cube of an even natural number is________.

Choices

Choice (4) Response

a.

Can’t say

b.

Odd

c.

Even

d.

Even or odd

Question number: 230

» Cube and Cube Roots

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MCQ▾

Question

The volume of a cube whose surface area is , is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 231

» Cube and Cube Roots

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MCQ▾

Question

=

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 232

» Cube and Cube Roots

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MCQ▾

Question

The cube of a number is 16 times of then find where

Choices

Choice (4) Response

a.

2

b.

4

c.

1

d.

0