Cube and Cube Roots (IMO- Mathematics Olympiad (SOF) Class 8): Questions 38 - 47 of 58

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Question number: 38

» Cube and Cube Roots

MCQ▾

Question

If , then is equal to________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 39

» Cube and Cube Roots

MCQ▾

Question

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

Choices

Choice (4) Response

a.

10

b.

25

c.

5

d.

4

Question number: 40

» Cube and Cube Roots

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.

b.

10: 11: 12

c.

15: 30: 45

d.

6: 12: 18

Question number: 41

» Cube and Cube Roots

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

6

b.

4

c.

8

d.

5

Question number: 42

» Cube and Cube Roots

MCQ▾

Question

The cube root of is________.

Choices

Choice (4) Response

a.

4

b.

16

c.

64

d.

9

Question number: 43

» Cube and Cube Roots

MCQ▾

Question

If, then

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 44

» Cube and Cube Roots

MCQ▾

Question

The cube of an even natural number is________.

Choices

Choice (4) Response

a.

Even or odd

b.

Even

c.

Can’t say

d.

Odd

Question number: 45

» Cube and Cube Roots

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 46

» Cube and Cube Roots

MCQ▾

Question

=

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 47

» Cube and Cube Roots

MCQ▾

Question

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

Choices

Choice (4) Response

a.

0

b.

2

c.

4

d.

1

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