There are 1000 children in a school . for a p.t drill they have to stand in such a way that the number of rows is equal to number of columns. How many children would be left out in this arrangement
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75 children are left out.
solution :
max perfect square is of 35 ,so
left =1000-35*35=1000-925=75.
hope it helps. thanks!
BRAINstormerX352:
see my explanation 35rows and columns. if u do 36*36 it's more than 1000
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