A general wishing to draw up his 16160 men in the form of a solid square found that he had 31 ...........

Quantitative Aptitude ( CCS) Number System

A general wishing to draw up his 16160 men in the form of a solid square found that he had 31 men left over. Find the number of men in the front.

127

123

137

129

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Explanation:

Total number of men=16160
After arranging them in the form of a square 31 men were left out.
So number of men in the square = 16160 – 31 = 16129
In a square all the sides are equal.
So....the number of columns will be equal to the number of rows.
So....the number of men in a row will be equal to the total number of columns.
Columns will be equal to the √16129 =127
No of men in front row will be 127.