Sunday, December 19, 2010

Another Maths Puzzle - Cube Root

Here is the puzzle for the day. Given an integer (like 1, 8, 1000000 etc) between 1 and 1million which is a perfect cube, how do you find the cube root?

You have to find the cube root of 110,592 in 3 minutes. You cannot use any aid like paper, calculator etc.

Example, cube root of 8 is 2 (2*2*2=8), cube root of 125 is 5 (5*5*5=125).
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