The simple interest on a certain sum computes to Rs. 400 in 2 years and the compound interest on the same sum at the same rate and for the same time computes to Rs. 410.Find the rate percent?

A certain sum of money,placed out at compound interest amounts to Rs.6,272 in 2 years and to Rs. 7024.64 in 3 years.Find the sum of money?

At what rate percent per annum simple interest will a sum of money triple itself in 25 years.

Find out the capital required to earn a monthly interest of Rs.6000 at 12% simple interest.

Devan availed a loan of Rs. 45000 from a bank for constructing his house.If the banks compounds yearly interest at 16% what is the amount he has to remit at the end of 3 years?

A financial company claims that it charges only 20% interest on loans.But if a person takes out a loan of 100 rupees, he would get only 80 rupees,after subtracting the annual interest of 200 rupees at the outset.And he has to pay back 100 rupees after one year.What is their actual rate of interest?

Calculate the amount on Rs.1000 at 8% per annum for 2 years.

Find compound interest on Rs.100 at 10%per annum for 2 years.

Calculate the simple interest for Rs.1000 at 10% per annum for 2 years.

Calculate the compound interest on Rs. 5,000 in 2 years, if the rates of interest for the successive years be 8% and 10% respectively?