At what interest rate per annum should ₹ 3000 be invested for 2 years, so as to generate a simple interest of ₹ 300?
The compound interest on a certain sum of money invested after 2 years at the rate of 10% per annum is the same as the simple interest on Rs.700 at the same rate after 3 years. What is 47% of the sum of money initially invested on compound interest?