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There are 500 childrens in a …

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There are 500 childrens in a school. For a p.t. drill they have to stand in such a manner that the number of rows is rqual to number of coloumns. How many children would be left out in this arrangrment. In easy methof

Posted by Muskan Sahu 6 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Sia ? 6 years, 5 months ago

Let the number of rows be x
Then the number of columns in x
So, the number of plants is x {tex}\times{/tex} x = x²
which is a perfect square.
Let us find out the square root of 500 by division method.

We get the remainder 16. It shows that 22² is less than 500 by 16.
This means that 16 children would be left out in this arrangement.

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