posted by rouble .
in a school there are 3050children .if a square formation is to be made , find the number of students left out of the square ?
the closest square would be 55^2 ( take √3050)
which would be 3025
So 25 students are left out of the the square.
55^2 + 25 = 3050
56^2 = 3136 , --- > too large