If the simple interest on a certain amount in at 4% rate 5 years amounted to Rs.2240 less than the principal. What was the principal? Select the correct option:
A) 1500  B) 2500  C) 2507  D) 2800  E) 11500
P - 2240 = (P*5*4)/100   P = 2800   Answer: 2800
<result>D</result>
If the simple interest on a certain amount in at 4% rate 5 years amounted to Rs.2240 less than the principal. What was the principal?