in order to obtain an income of rs . 900 from 20 % stock at rs . 102 , one must make an investment of
"explanation : market value = rs . 102 . required income = rs . 900 . here face value is not given . take face value as rs . 100 if it is not given in the question to obtain rs . 20 ( ie , 20 % of the face value 100 ) , investment = rs . 102 to obtain rs . 900 , investment = 102 / 20 ã — 900 = rs . 4590 answer : option b"
multiply(divide(102, 20), 900)