A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should be mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3:5?

A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should be mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3:5?

Ans: 6 litres, 6 litres