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 rows is equal to number of columns. How many children would be left out in this arrangement?​

Answer 1

Answer:

16

Step-by-step explanation:

Let the number of rows be x

We are given that the number of rows is equal to number of columns

So, x \times x = 500x×x=500

\begin{gathered}x^2=500\\x=\sqrt{500}\\x=22.36\end{gathered}

x

2

=500

x=

500

x=22.36

So, Number of rows = 22 = number of columns

So, Number of students in arrangement =- 22*22=484

No. of children would be left out in this arrangement = 500 - 484 = 16

Hence 16 children would be left out in this arrangement

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Answer 2

Answer:

Here, Number of children = 500

By getting the square root of this number, we get,

In each row, the number of children is 22.

And left out children are 16.

Step-by-step explanation:

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