Correct Answer - Option 2 : 18
Calculation:
1296 = 6 × 6 × 6 × 6
⇒ 1296 should be multiplied by 36 to make a perfect cube number.
According to the question:
⇒ 36/2 = 18
∴ The half of the smallest number by which 1296 must be multiplied, So that the product becomes a perfect cube is 18.
1296 × 36 = 46656
46656 is a perfect cube of 36.
The correct option is 2 i.e. 18
