Simple Interest on a certain sum at 10% per annum for 10 years is ₹ 25,000. Find the principal and amount.
A sum of Rs 1600 gives a simple interest of Rs 252 in 2 years and 4 months. What is the rate of simple interest per annum?
The difference between compound interest and simple interest on a certain sum of money in 2 years at 4% per annum is Rs. 5,000. Find the principal amount