A sum of Rs 2500 becomes Rs 8100 in 2 years at a certain rate of compound interest. 4 years...

A sum of Rs. 10500 becomes Rs. 17745 in 2 years at the rate of compound interest. If the interest is compounded annually then what will be the rate of interest?

The sum of Rs 500 becomes Rs 600 in 2 years at certain rate of simple interest. If the rate of interset in halved, the what amount will Rs 500 given in 2 years ?

Asum of Rs 11700 becomes Rs 16848 in 2 years at the rate of compoundinterest. If the interest is compounded annually, then what will be the rate of interest?

A sum of Rs 95 amounts to Rs 105 in 3 years at a certain rate of simple interest. In 5 years, at the same rate of interest, what will a sum of Rs 171 amount to:

A sum of Rs. 8,400 becomes Rs. 10,164 in 2 years at a certain rate percentage p.a., interest compounded yearly. What will be the simple interest on the same sum for 4 (3)/(5) years at the same rate?