Rs P was invested in compound interest at 20% p.a. for two years, and the total amount after two years is Rs 8064. Find P.

Which sum will provide a compound interest of ₹1020 in 2 years at 4% per annum interest compounded annually?

A washing machine is available at 18,000 cash or for 7,600 cash down payment flowed by two equalhalf yearly instalments of Rs. x each. If the rate of interest charged is 16% p.a. and conpounded half yearly,then what is the value of x?

A sum of x amounts to Rs. 75867 in $$2\frac {1}{2}$$​ years at 12% p.a., interest compounded after every 10 months. What is the value of x?

Anand has Rs. 1218. He divided it between Anil and Ashok. They invest at 10% CI annually. After 15 and 16 years respectively, both get the same amount. How much did Ashok get?