If one invests Rs. 10,000 in a bank at a rate of 8% per annum, how long does it take to double the money by compounded interest?

Shraddha depossied Rs. 8000 in a bank which pays annual interest rate and 8%. She kept it with the bank for 10 years with comound interest. Find the total amount. She will received after 10 years. [given (1.08)^10 = 2.1575 ]

A person deposits ₹x in savings bank account at the rate of 5% per annum and ₹y in fixed deposit at 10% per annum.At the end of the year,he gets ₹400 as total interest.If he deposits ₹y in savings bank account and ₹x in fixed deposit,he would get₹350 as total interest.Find the total amount he deposited.

Complete the following activities Shri Rambhau deposited Rs 1,00,000 in a bank at 8% compound interest for 2 years. Complete the following activity to find the interest he will get.