Question

There are 500 children in a school .For a P.T . drill they have to stand in such a manner that the number of row is equal to number of colums. how many children would be left out in this arrangement.

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Answer 1

Answer:

16 children would be left out in this arrangement

Step-by-step explanation:

suppose we have 9 children and we want to arrange them in Equal no. of rows and columns.

Then the answer will be 3

It means the square of the no. of rows = Total no. of children.

Now the total no. of children is 500

Therefore 484 is the perfect square no closest to 500.

== Hence the no. of rows should be 22.

Answer 2

LCM of 500 is 2*2*5*5*5.

there will be 22 rows and columns.

The remaining students outside will be 16.

22×22=484

500-484=16

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