What is the compound interest earned on a principal of ₹ 5000 at the rate of 20% p.a in 2 years?
A certain sum of money ,invested for 4 years at 8 % p.a. simple interest ,earns an interest of ₹ 10,000. Find
(a) the sum of money
(b) the compound interest earned by this money in two years at 12 % p.a. compound interest