In order to obtain an income of Rs. 1000 from 50% stock at Rs. 500, one must make an investment of  Pick one.
A) rs . 17000  B) rs . 16050  C) rs . 15400  D) rs . 10000  E) rs . 10500

Rationale: "explanation : market value = rs . 500 . required income = rs . 1000 . here face value is not given . take face value as rs . 100 if it is not given in the question to obtain rs . 50 ( ie , 50 % of the face value 100 ) , investment = rs . 500 to obtain rs . 1000 , investment = 500 / 50 ã — 1000 = 10000 answer : option d"
Answer: D