Let, the milk be in given mixture is 3x and water be in given mixture is 2x According to question, ⇒ 3x + 2x = 20 ⇒ x = 4 ∴ the milk in given mixture is 12 litres and the water be in given mixture is 8 litres After adding 2 litres of water in the given mixture, the quantity of water will be (8 + 2) = 10 litres ∴ Ratio of milk to water in new mixture = 12/10 = 6/5 = 6 : 5