Ten > Compound Interest

Asked by Basanta · 2 years ago

The simple interest on a sum of money in 2 years is Rs 90 less than its compound interest. If the rate of interest in a year is 15$\rm \%$

1.  Find the sum. 
2.  Find the annual compound interest. 
3.  Find the simple interest. 
4.  Find the time at which both the annual compound interest and the simple interest will be equal.