After how many years will a sum of rs 12500 become rs rs. 17500 at the rate of 10% per annum?

In how many years will a sum of Rs. 3200 compounded quarterly at the rate of 50% per annum amount to Rs. 4050 ?

In how many years will a sum of Rs 26,600, interest compounded quarterly, at the rate of 25% per annum, amount to Rs 28,900?

In how many years Rs 100000 will become Rs 1,33,100 at compound interest rate of 10% per annum?

What is the compound interest (in Rs) on a sum of Rs 15000 for 2 years at the rate of 10% per annum compounded annually?

A borrows Rs. 800 at the rate of 12% per annum simple interest and B borrows Rs. 910 at the rate of 10% per annum, simple interest. In how many years will their amounts of debt be equal ?

The simple interest on a certain sum of for two years is Rs 1000 at the rate 10% per annum. What is the amount after these two years?

Find the amount of Rs 1000 after 4 years at the rate of 10% per annum compounded annually.