A General wishing to draw up his 363630 men in the form of a square, found that he had 21 men extra.Find the number of men in the front row.
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Step-by-step explanation:
Men in the form of a square=64019
Extra men=10
To make it a perfect square=64019−10 =64009
253
2 64009
+2 4
45 240
+5 225
1509
503
1509
∴ Number of men in front row= √64009
=253
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