a 20 % stock yielding 10 % is quoted at :
"solution to earn rs . 10 , money invested = rs . 100 . to earn rs . 20 , money invested = rs . ( 100 / 10 x 20 ) = rs . 200 . â ˆ ´ market value of rs . 100 stock = rs . 200 answer c"
multiply(divide(const_100, 10), 20)