Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.20 of money?	Select:
A) 1500
B) 1992
C) 9921
D) 2798
E) 2000

Rationale: "p = 20 ( 100 / 10 ) 2 = > p = 2000 answer : e"
Answer: E