Ten > Compound Interest

Asked by Basanta · 2 years ago

Compound interest on a sum of money for 2 years compounded annually is Rs 1680. Simple interest on the same sum for the same period and at the same rate is Rs 1600.

1.  Find the sum.
2. Find the rate of interest.
3.  In how many years annual compound interest on the same sum at the same rate be Rs 3200?