The difference between the compound interest and simple interest on a certain sum of money at 5% per annum for 2 years is 45. Then the original sum is?	Answers:
A) 17000  B) 12000  C) 19000  D) 14000  E) 18000
For 2 years = (100(power 2)D)/R(power 2)   = (100(power 2) × 45)/(5 × 5) = (10000 × 45)/25 = Rs.18000/-   Answer is 18000.
<result>E</result>
The difference between the compound interest and simple interest on a certain sum of money at 5% per annum for 2 years is 45. Then the original sum is?