Question

Find least number to be subtracted from 16800 make perfect square

Answer 1

First we have to find the square root of 16800 by long Division method.

[Solution is in the attachment]

This shows that (129)² is less than 16800 by 159, So the least number to be subtracted from 16800 is 159.

Required perfect Square number= 16800- 159= 16641

√16641 = 129

Hence , the required this number is 159.

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Hope this will help you......