IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 195 - 203 of 1040

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Question number: 195

» Cube and Cube Roots

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MCQ▾

Question

The value of is________.

Choices

Choice (4)Response

a.

15

b.

10

c.

12

d.

14

Question number: 196

» Square and Square Roots

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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

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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.

10

b.

11

c.

9

d.

8

Question number: 198

» Cube and Cube Roots

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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.

11

b.

19

c.

15

d.

10

Question number: 199

» Cube and Cube Roots

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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.

b.

6: 12: 18

c.

d.

15: 30: 45

Question number: 200

» Cube and Cube Roots

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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

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MCQ▾

Question

If then the value of is________.

Choices

Choice (4)Response

a.

1

b.

2

c.

0.5

d.

1.2

Question number: 202

» Cube and Cube Roots

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MCQ▾

Question

The value of is________.

Choices

Choice (4)Response

a.

151750

b.

151000

c.

d.

151750

Question number: 203

» Cube and Cube Roots

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

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