find the compound ratio of ( 3 : 2 ) , ( 4 : 3 ) and ( 1 : 4 ) is
"required ratio = 3 / 2 * 4 / 3 * 1 / 4 = 1 / 2 = 1 : 2 answer is a"
multiply(divide(3, 4), multiply(divide(const_4.0, 2), divide(4, 2)))