Cubes and Cube Roots

What is the value of 11 x 11 x 11 ?

• 1231

• 1321

• 1331

• 1221

We get a cube of a number if we multiply a number by its square.

• True

• False

• Cannot be determined

343 is a perfect cube.

• True

• False

What is the cube of 9?

• 81

• 719

• 729

• 739

The cube of 9 can be written as :

• 71 + 72 + .......+89

• 73 + 75+ -----+89

• 70 + 71 + 73+ .......+ 91

• None of these

The minimum number of times a prime factor appears in a perfect cube is ------

• 1

• 2

• 3

• 4

The prime factorisation of 64 is:

• 8 x 8 x 8

• 2 x 2 x 2

• 4 x 4 x 4

• None of the above

Cube root of 15625 is:

• 26

• 25

• 24

• 27

What is the cube of 2a?

• 2a³

• 8a³

• 4a³

• 16a³

The cube root of 13824 is __________.

• 25

• 36

• 16

• 24