Interest on Rs. 100 for 1 year is called. 

At what rate percent per annum simple interest will a sum double itself in 8 years 4 months.

The S.I on a certain sum for 3 years at 14% per annum is rs. 235.20.  The sum is 

Calculate the amount on Rs. 4,000 at 8% per annum for 2 years 

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?

The compound interest on Rs. 7500 at 8% per annum for 5 years is 

A sum amounts to rs. 1352 in 2 years at 4% compound interest.  The sum is

If S.P of an article is 4/3 of C.P then the profit in the  transaction is 

If the discount is 10% an items bought for Rs.9 is prices at 

Mohan borrowed Rs. 16,000 for 3 at 5% per annum compound interest.  Then the amount that Mohan will pay at the end of 3 years?