In how many years will a sum of money becomes double at 10% annum.

Simple interest on a certain sum at a certain rate is 9/16 of the sum. If the number representing rate percent and time in years be equal, then the rate is

Interest rate is given in bank on _______ basis.

Ashok borrowed Rs.5000 from a bank in order to get a motor bike. He got the amount at an interest rate of 7% per annum with a 30 month term. What is the total amount he will have to pay back to the bank?

Manu invested a certain sum of money in a simple interest bond whose value grew to Rs. 300 at the end of 3 years and to Rs. 400 at the end of another 5 years. What was the rate of interest in which he invested his sum?

A man invested 1/3 of his capital at 7%, 1/4 at 8% and the remainder at 10%. If his annual income is Rs. 561, the capital is

The formula for calculating simple interest is

Find SI on Rs. 68000 at 16 2/3% per annum for 9 months.

A sum at simple interest at 13 1/2% per annum amounts to Rs. 2502.50 after 4 years find the sum.

How much time will it take for an amount of Rs. 450 to yield Rs. 81  as interest at 4.5% per annum of simple interest?