in 50 l can , milk and water in the ratio of 3 : 1 . if the ratio has made 1 : 3 then the quantity of water that has to be added further is ?
100 litre water is to be added . let ' x ' liter water is to be added more . then 1 / 3 = 37.5 / ( 12.5 + x ) x = 100 answer : a
subtract(multiply(multiply(divide(50, add(3, 1)), 3), 3), multiply(divide(50, add(3, 1)), 1))