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​

Answer 1

Answer:

We know the largest square number smaller than 500 =484

484 is the square root of the number 22

as

22²=22×22=484

therefore

22 rows with 22 students(in a particular column) in each row is the possible way to stand in the manner given in question

and if 484 have to be in such a manner of standing

then how many is left?

that is

500-484

=16

therefore

22 rows with 22 students in each can obtain such a manner that equal rows=equal number of students in it

but 16 students will be remaining/the columns

hope it helps