How long will it take for an investment to double itself if interest is paid at the rate of `8%` compounded annually?

Find the sum on which the difference between the simple interest and the compound interest at the rate of 8% per annum compounded annually be रु 64 in 2 years .

Find the rate at which a sum of money will double itself in 3 years, if the interest is compounded annually.

A sum of money doubles itself in 8 years. What is the rate of interest?

Find the compound interest on Rs. 12000 for 10 years at the rate of 12% per annum compounded annually.

How long will it take for Rs 1860 invested at the rate of 9.5 % per annum simple interest to amount to Rs 2449 ?

How long will it take for a sum of Rs. 12600 invested at 9% per annum simple interest to amount to Rs. 16002?

Find the amount and the compound interest on Rs 12,000 in 3 years at 5%, interest being compounded annually.

Find the amount and the compound interest on Rs 12,000 in 3 years at 5%, interest being compounded annually.

A sum of money, lent out at simple interest, doubles itself in 8 years. Find : (i) the rate of interest. (ii) In how many years will the sum become triple (three times) of itself at the same rate percent ?

In how much time will ₹12,000 earn an interest of ₹4800 at 8% interest p.a. ?