IMO- Mathematics Olympiad Class 8: Questions 198 - 205 of 1029

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Question number: 198

» 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: 199

» 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: 200

» 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: 201

» 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

Question number: 202

» Cube and Cube Roots

MCQ▾

Question

The value of 253553103 is________.

Choices

Choice (4) Response

a.

151750

b.

151000

c.

151000

d.

151750

Question number: 203

» Cube and Cube Roots

MCQ▾

Question

The length of each side of the cubical box is 1.5 m, its volume is

Choices

Choice (4) Response

a.

33.75×102 cm3

b.

33.75×106 cm3

c.

3.375×106 cm3

d.

3.375×107 cm3

Question number: 204

» Cube and Cube Roots

MCQ▾

Question

The value of 5832273+12510003 is ________.

Choices

Choice (4) Response

a.

92

b.

12

c.

112

d.

132

Question number: 205

» Cube and Cube Roots

MCQ▾

Question

The cube root of 642 is________.

Choices

Choice (4) Response

a.

64

b.

8

c.

16

d.

4

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