Question

Find the sum which will amount to ₹6600 at 8% in 4 yrs at simple interest

Answer 1

Let the sum be x.

Simple interest = P*R*T/100
                         = x*8*4/100
                         = 8x/25
We also know that amount = sum + simple interest.
this implies, 8x/25 + x = 6600
                    33x/25 = 6600
                    x = 6600*25/33
                    x = 5000
Therefore the required sum is Rs.5000