A sum fetched a total simple interest of Rs. 2700 at the rate of 6 p.c.p.a. in 3 years. What is the sum?  Choose the correct answer
A) 25000	B) 20000	C) 18000	D) 14000	E) 15000

Rationale: "sol . principal = rs . [ 100 * 2700 / 6 * 3 ] = rs . [ 270000 / 18 ] = rs . 15000 . answer e"
Answer: E