Question

7921 soldiers sat in an auditorium in such a way that there are as many soldiers in a row as there are rows in the auditorium. How many rows are there in the auditorium ​

Answer 1

Answer:

Let there are x number of rows in the auditorium.

Then according to the problem number of soldiers in a row be also x.

So total number of soldiers in the auditorium be x²

Then by the problem,x²

=7921

or, x=89.

So there are 89 rows in the auditorium