Cube and Cube Roots (IMO- Mathematics Olympiad Class 8): Questions 9 - 17 of 58

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Question number: 9

» Cube and Cube Roots

MCQ▾

Question

Find the value of 53×503×5003 .

Choices

Choice (4) Response
a.

30

b.

50

c.

31

d.

70

Question number: 10

» Cube and Cube Roots

MCQ▾

Question

The value of 3593713313+12583 is ________.

Choices

Choice (4) Response
a.

132

b.

12

c.

112

d.

92

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.

19

b.

125

c.

112

d.

120

Question number: 12

» Cube and Cube Roots

MCQ▾

Question

The value of (2744)(13)(2)2 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.

20:4:12

c.

6: 12: 18

d.

10:5:15

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 53751253=x then the value of x is________.

Choices

Choice (4) Response
a.

1

b.

1.2

c.

2

d.

0.5

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