Maths Compound Interest Questions with solutions. A P 1 r m mt In the present case A Future value of the investment is to be calculated. To calculate the amount of simple interest over 5 years you simply multiply the interest earnt in year one by five - 125 5 625.
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1440 1000 1R100 2. The bank gives you a 6 interest rate and compounds the interest each month. Lets look at the quantities in the problem statement. That earns 2 compound interest that is done annually r 002.