Question

How to find cube root of a number without calculator?

Answer 1

Answer:

using estimation method ...

Step-by-step explanation:

e.g.. 1728now, starting from right,make triplets..

so 1 is left against 728( triplet )

now , take unit digit of 728 = 8 and then cube it.

so, 8×8×8=512. now take 512's unit digit i.e. 2

now , cube root 1 ( left) that is 1

so the ans. is 12