Cube and Cube Roots (IMO- Mathematics Olympiad Class 8): Questions 25 - 33 of 58

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Question number: 25

» Cube and Cube Roots

MCQ▾

Question

The value of Equation is ________.

Choices

Choice (4) Response

a.

55

b.

85

c.

25

d.

75

Question number: 26

» Cube and Cube Roots

MCQ▾

Question

Find the value of Equation .

Choices

Choice (4) Response

a.

50

b.

72

c.

52

d.

70

Question number: 27

» Cube and Cube Roots

MCQ▾

Question

By what least number must 169 be multiplied to make it perfect cube?

Choices

Choice (4) Response

a.

10

b.

14

c.

15

d.

13

Question number: 28

» Cube and Cube Roots

MCQ▾

Question

If Equation , then Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

None of the above

Question number: 29

» Cube and Cube Roots

MCQ▾

Question

The cube of a number Equation is 25 times of Equation then find Equation where Equation

Choices

Choice (4) Response

a.

2

b.

5

c.

1

d.

4

Question number: 30

» Cube and Cube Roots

MCQ▾

Question

The value of Equation is________.

Choices

Choice (4) Response

a.

12

b.

10

c.

14

d.

15

Question number: 31

» Cube and Cube Roots

MCQ▾

Question

The value of Equation is ________.

Choices

Choice (4) Response

a.

2.5

b.

4.00

c.

7.5

d.

8.5

Question number: 32

» Cube and Cube Roots

MCQ▾

Question

By what least number must 648 be multiplied to make it perfect cube?

Choices

Choice (4) Response

a.

9

b.

5

c.

4

d.

10

Question number: 33

» Cube and Cube Roots

MCQ▾

Question

In the number a4b, a is the smallest two digit perfect cube and a’s unit digit exceeds b by 3. then find the sum of the number and its cube root is________.

Choices

Choice (4) Response

a.

2713

b.

2750

c.

2758

d.

2754

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