How many years does a sum of money placed at compound interest?

A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?

How much does a sum of money double itself in 4 years?

A sum of money double itself in 4 years at compound interest. In how many years it will become eight times at same rate of interest >> A sum of money double itsel… A sum of money double itself in 4 years at compound interest. In how many years it will become eight times at same rate of interest

How can I double my principal amount in 8 years?

There are simple methods to count to number of years it will take to double your money using simple interest and compound interest. For simple interest, the formula is : r=100/n , where r is the rate of interest and n is the number of years. I want to double my principal amount in 8 years so at what simple interest rate should I invest my money?

What is the rate of interest if money doubles every 5 years?

If it doubles in 10 year the rate rate is about 7.2\%. If it doubles in 5 year, the the approximate interest rate is 72/5 = 14.4\%. You can flip this on its head and ask how long will it take to double your money at different rates of return.

How many years will a amount double itself at 10\% compounded quarterly?

In how many years will a amount double itself at 10\% interest rate compounded quarterly? Ans. t = (log (A/P) / log (1+r/n)) / n = log (2) / log (1 + 0.1 / 4) / 4 = 7.02 years 3. If interest is compounded daily, find the rate at which an amount doubles itself in 5 years?

How to solve for any variable in compound interest formula?

You can solve for any variable by rearranging the compound interest formula as illustrated in the following examples:- 1. What is the compound interest of 75000 at 7.9\% per annum compounded semi-annually in 3 years? Ans. A = P (1+r/n) nt = 75000 (1 + (7.9 / 100) / 2) 6 = 94625.51 2.