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Question

The least number to be subtracted from 16800 to make it a perfect square, is

A
249
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B
159
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C
169
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D
219
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Solution

The correct option is B 159
First we have to find the square root of 16800 by long Division method.
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.
1388255_279701_ans_139370fc9dba4c30904dba6e66058d4c.JPG

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