Cube & Cube Root

Which of the following numbers is a cube number ?

• 1000

• 400

• 100

• 600

The smallest natural number by which 243 must be multiplied to make the product a perfect cube  is __________. 

• 3 

• 9

• 8

• 7

The cube of an odd natural number is

• even

• odd

• may be even, may be odd

• prime number

A natural number is said to be a perfect cube, if it is the cube of some _________.

• natural number

• square number

• cube number

• cuboid number

The one’s digit of the cube of the number 242 is

• 2

• 4

• 6

• 8

If (2744)^1/3 = 2p+2, then the value of P is

• 3

• 6

• 2

• 8

The cube of an even natural number is

• even

• odd

• may be even, may be odd

• prime number

If x is ones digit and y is tens digit of a two digit number, then the cube of the number will be _________.

• (10y + x)³

• (10y + x)²

• (10x + y)³

• None of these

The cube of 23 is ___________

• 2304

• 23

• 12167

• 529

Find the cube of 75.

• 421875

• 400175

• 5625

• None of these