IMO- Mathematics Olympiad Class 8: Questions 216 - 223 of 1029

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Question number: 216

» 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: 217

» 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: 218

» 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

Question number: 219

» 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: 220

» 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: 221

» 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: 222

» Cube and Cube Roots

MCQ▾

Question

Equation =

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 223

» 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

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