IMO- Mathematics Olympiad (SOF) Class 8: Questions 194 - 202 of 1030

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Question number: 194

» 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: 195

» Cube and Cube Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

14

b.

10

c.

15

d.

12

Question number: 196

» Square and Square Roots

MCQ▾

Question

If, then the value of is________.

Choices

Choice (4) Response

a.

b.

30.20

c.

24.70

d.

25.00

Question number: 197

» 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: 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.

c.

6: 12: 18

d.

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 then the value of 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 is________.

Choices

Choice (4) Response

a.

151750

b.

c.

151000

d.

151750

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