Simple interest on a sum of money at a certain annual interest rate is 25/16 of the principal amount. If rate percentage and...

The difference between the compound interest and simple interest on a sum of money at rate of 10% per annum for 2 years is Rs 50. The Principal amount is :

Simple interest on a certain sum at a certain annual rate of interest is (1)/(9) of the sum.If the numbers representing rate percent and time in years be equal,then the rate of interest is 3(1)/(3)% (b) 5% (c) 6(2)/(3)% (d) 10%

The simple interest on a sum of money is 1/16 of the principal and the number of years is equal to the rate per cent annum. Find the rate per cent.

If the simple interest on a certain sum of money for 2 years is one-fifth of the principal, then find the rate of interest per annum.