A dishonest milk man mixed 1 liter of water for every 3 liters of milk and thus made up 36 liters of milk. If he now adds 15 liters of milk to mixture, find the ratio of milk and water in the new mixture:

Correct Answer: 14 : 3
Quantity of milk and water in the 36 liter mixture27 liter milk and 9 liter waterNow, 15 liters milk is added then milk becomes 42 litersNow, ratio = 42 : 9 = 14 : 3