Question

There are 825 children in school. For a P.T
drill they have to stand in such a manner that
the number of rows is equal to the number of
columns.The number of children left
out in this arrangement is

Answer 1

$Given \: Total \: number \: of \: students \:in \\school = 825$

/* We find by division method that

the number of children left out in the arrangement */

2 | 825 | 28

×2| 4

________

48| 425

×8| 384

_________

*******41

The remainder is 41

This means ,if we subtract 41 from 825 ,

We get a perfect square .

$Perfect \:square = 825 - 41 \\= 784\\= 28^{2}$

Therefore.,

$Number \: of \:rows \\= Number \: of \: columns = 28$

•••♪

Answer 2

Step-by-step explanation:

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