Interest on 500 at 12% p.a. for 1 year is ____________.

If the simple interest on a certain sum for a period of three years at 4% per annum is Rs.48,then principal is:

A lends a sum of money for 10 years at 5% simple interest, B lends double that amount for 5 years at the same rate of interest. Which of the following statement is true in this regard?

Rohan's pocket money increased from Rs 1850 to Rs 2250. Find the percentage change?

Find the rate of interest at which a sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest.

Find the simple interest on Rs. 5000 at  4% p.a.

If a, b, c are three sum of money such that b is the simple interest on a, c is the simple interest on b for the same time at the same rate of interest, then _________________

A sum of Rs 8000 is borrowed for 4 years at 12% per annum simple interest. How much money is to be returned at the end of 4 years.

The population of a town is increased from 175000 to 300000. Find the increase percent in the population.