Present worth is Rs 120.
If difference between the compounded interest and the simple interest on a certain sum at 10% per annum for 2 years is Rs.52, then what would be the the sum?
The value of a machine depreciates at the rate of 10% per annum. If its present value is Rs.40500, what will be its worth after 2 years? What was the value of the machine 2 years ago.