in order to obtain an income of rs . 500 from 30 % stock at rs . 90 , one must make an investment of
"explanation : market value = rs . 90 required income = rs . 500 . here face value is not given . take face value as rs . 100 if it is not given in the question to obtain rs . 30 ( ie , 30 % of the face value 100 ) , investment = rs . 90 to obtain rs . 15000 , investment = 90 / 30 ã — 500 = rs . 1500 answer : option e"
multiply(divide(90, 30), 500)