The difference between simple and compound interests compounded annuallyÂ on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:

The difference between simple and compound interests compounded annual

1.	The difference between simple and compound interests compounded annuallyÂ on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:
A.	620
B.	630
C.	640
D.	625
Answer» E.