Cube and Cube Roots (IMO- Mathematics Olympiad Class 8): Questions 34 - 41 of 58

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Question number: 34

» Cube and Cube Roots

MCQ▾

Question

The smallest number by which 225 must be multiplied so that the product is a perfect cube is________.

Choices

Choice (4) Response

a.

15

b.

9

c.

10

d.

11

Question number: 35

» Cube and Cube Roots

MCQ▾

Question

The volume of a cube whose surface area is Equation , is________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 36

» Cube and Cube Roots

MCQ▾

Question

If Equation , then Equation is equal to________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 37

» Cube and Cube Roots

MCQ▾

Question

Equation =

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 38

» Cube and Cube Roots

MCQ▾

Question

If Equation , then Equation is equal to________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 39

» Cube and Cube Roots

MCQ▾

Question

By what least number must 3125 be multiplied to make it perfect cube?

Choices

Choice (4) Response

a.

10

b.

25

c.

5

d.

4

Question number: 40

» Cube and Cube Roots

MCQ▾

Question

Three numbers are in the ratio of 1: 2: 3. The sum of their cubes is 98784. The numbers are________.

Choices

Choice (4) Response

a.

Equation

b.

10: 11: 12

c.

15: 30: 45

d.

6: 12: 18

Question number: 41

» Cube and Cube Roots

MCQ▾

Question

The value of Equation is ________.

Choices

Choice (4) Response

a.

6

b.

4

c.

8

d.

5

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