Cubes and cube roots - Class VIII (Ch. 7)

Which of the following is not a perfect cube ?

• 1

• 4

• 8

• 27

Which number is both a perfect square and a perfect cube?

• 64

• 27

• 81

• 16

Evaluate. 7³

• 512

• 49

• 243

• 343

In 2³ what is the base?

• 2
• 3
• 2³

Tags

CCSS.6.EE.A.1

Find the cube root of 729:

• 9

• 81

• 243

• 27

 $8\times8\times8=\left(2^3\right)\times\left(2^3\right)\times\left(2^3\right)$  

• TRUE

• FALSE

 $23^3$  means

• 23 + 23 + 23

• 23 x 3

• 23 x 23 x 23

• 3 + 23

Cube of an odd number is _________ ?

• always odd number

• always even number

• may be odd or may be even

• none of the above

One's digit in the cube of 102 ?

• 2

• 4

• 6

• 8

7 + 9 + 11 = ?

• 
  

  $2^3$
  

• $3^3$

• $3^2$

• None of the above