Question

there are 500 students in the school for p.t drill they have to stand in such a way that the number of rows is equal to number of columns find the number of students left for p.t drill please answer this question

Answer 1

22×22=484 that is a perfect square number so rows and column are 22 and 16 students have to left

Answer 2

400 because if the rows and columns are same then the figure formed them will be a square and the side of it would be root500=10 root5 which means that 100 students will form a square figure or same no.of rows and columns then students left=500-100=400 students