Find the amount of loan to be paid back if the sum borrowed is ₹10,000, at the rate of 11% p.a. simple interest for 3 years.
Reena and Ruchira borrowed Rs. 60,000 and Rs. 50,000 respectively for a period of 3 years. Reena paid simple interset at the rate of 10% per annum, while Ruchira paid compound interest at the rate of 10% compounded annually. Who paid more interest and by how much?