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.13 of money?  Pick
A) 1300 B) 1992 C) 9921 D) 2798 E) 2789

Rationale: "p = 13 ( 100 / 10 ) 2 = > p = 1300 answer : a"
Answer: A