Ten > Compound Interest

Asked by Basanta · 2 years ago

The simple interest on a certain sum of money for 2 years at 5$\rm \%$ per annum is Rs 320.

1. Find the principal 
2. What will be the annual compound interest on the same sum at the same rate, the interest being calculated yearly for 2 years?
3.  Find the semi-annual compound interest for 2 years.