there are 1000 children in a school for a PT drill they have to stand in such a way that the number of rows is equal to the number of columns how many children would be left out in this arrangement
there are 1000 children in a school for a PT drill they have to stand in such a way that the number of rows is equal to the number of columns how many children would be left out in this arrangement
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which is 961 square of 31
so, children left out will be 1000-961 = 39
where 31 ×31,No.of coloum is equal to no. of rows