A sum of money becomes eight times of itself in 3 years at compound interest. The rate of interest per annum is 

Rahul plans to buy a scooter for his sister for which he saves Rs. 15625 at the start of every year for 3 year. If the rate of CI is 4% pa. then amount at which he plans to buy the scooter is (in Rs.)

What will be the compound interest (nearest to Rs. 1 on a sum of Rs. 25,000 for 2 years at 12% p.a., if the interest is compounded 8-monthly?

What is the difference between compound interest and simple interest on Rs. 2500 for 2 years at 4% per annum?

₹26100 is divided between Mohan and Shyam so that the interest that Mohan receives in 3 years is the same as that Shyam receives in 6 years. If the interest rate of 4% per annum then Mohan's share is :

What will be the compound interest of 3 years at the rate of 5 % of 1000 rupees?

A person borrows Rs.1,00,000 from a bank at 10% per annum simple interest and clears the debt in five years. If the instalment paid at the end of the first, second, third and fourth years to clear the debt are Rs.10,000, Rs.20,000, Rs.30,000 and Rs.40,000, respectively, what amount should be paid at the end of the fifth year to clear the debt?

If the interest is compounded half yearly, then interest on Rs.16000 at 5% per annum, at the end of years is.