A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs.854 in 4 years.The sum is:
Let the principal be Rs. X
A sum of money at the simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years.
Then, the simple interest of 1 years = 854 – 815
= Rs. 39