Q3 of 85 Page 146

State true or false?
A perfect cube may end with two zeros

The given statement is false

Since, a perfect cube ends with three zeros

⇒ Consider 10³ = 1000,20³ = 8000

Hence, it is false that a perfect cube may end with two zeros.

Find the cube root of the following numbers through estimation?

5832

State true or false?

Cube of an even number is an odd number

State true or false?

If a number ends with 5, then its cube ends with 5

State true or false?

Cube of a number ending with zero has three zeros at its right

Questions · 85

6. Square Roots and Cube Roots

1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 6 6 6 1 1 1 1 2 3 4 5 6 7 8 9 1 1 1 1 1 2 2 2 2 3 4 5 6 7 8 8 8 1 1 1 1 2 2 2 2 2 3 4 5 6 7 1 1 1 1 2 2 2 2 3 3 3 3 3 3 3 4

State true or false?A perfect cube may end with two zeros