Cube and Cube Roots (IMO- Mathematics Olympiad (SOF) Class 8): Questions 10 - 18 of 58

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Question number: 10

» Cube and Cube Roots

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 11

» Cube and Cube Roots

MCQ▾

Question

Two cubes have volume in the ratio 1: 125. The ratio of the area of the face of one to that of the other is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 12

» Cube and Cube Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

14

b.

10

c.

15

d.

12

Question number: 13

» Cube and Cube Roots

MCQ▾

Question

The smallest number by which 121 must be multiplied so that the product is a perfect cube is________.

Choices

Choice (4) Response

a.

11

b.

8

c.

9

d.

10

Question number: 14

» Cube and Cube Roots

MCQ▾

Question

The smallest number by which 361 must be multiplied so that the product is a perfect cube is________.

Choices

Choice (4) Response

a.

15

b.

10

c.

19

d.

11

Question number: 15

» Cube and Cube Roots

MCQ▾

Question

Three numbers are in the ratio of 5: 1: 3. The sum of their cubes is 9792. The numbers are________.

Choices

Choice (4) Response

a.

15: 30: 45

b.

c.

6: 12: 18

d.

Question number: 16

» Cube and Cube Roots

MCQ▾

Question

The cube of an odd natural number is________.

Choices

Choice (4) Response

a.

Odd

b.

Even

c.

Even or odd

d.

Can’t say

Question number: 17

» Cube and Cube Roots

MCQ▾

Question

If then the value of is________.

Choices

Choice (4) Response

a.

1

b.

1.2

c.

2

d.

0.5

Question number: 18

» Cube and Cube Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

151750

b.

c.

151000

d.

151750

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