The simple interest on a principal of Rs P at R% per annum for a period of 'I' years is obtained by dividing the product of P, T and R by 100. The formula for the simple interest is?

The simple interest on Rs 100 for 4 years at 5 % per annum is

What is the simple interest (in Rs) on a principal of Rs 1800 at the rate of 8% per annum for 3 years?

Simple interest on a principal of Rs. 100 for 2 years at the rate of 5% per annum is ____.

The simple interest for a period of N years at R% per annum on a sum of Rs P is denoted by S. It equals the product of (1)/(100) ,P,N and R. Express P in terms of S,N and R.

The simple interest on Rs. 1800 at R% per annum for 2 years is equal to the simple interest on Rs. 4800 at 15% per annum for 1 year. Find the simple interest (in Rs. ) on Rs. 2400 for 3 years at R% per annum.