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 the number of columns. How many children would be left out in this arrangement?

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Answer 1

Step-by-step explanation:

total no of children = 500

also no of rows = no of column

let the no of rows be x so the no of column will also be x

total children = no of rows × no of column

500 = x× x

= x²= 500

or x= √500

we know that 22²= 484 and the remainder is 16

so the no of student required is to be no of columns = no of rows

I. e. 16 students would be left out in this arrangement.

Answer 2

00

 Answer:

16 students would be left out

Step-by-step explanation:

the no of students=500

 2        /5  00\22

+2     - 4

    42/ 1 00

        -    84

             16

by doing long division method we get 16 as the reminder and 22 as the quitant

22 is the number of rows and columns

12 is the number of students left out