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 he 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?

1. A Option A: 4 litres, 8 litres
2. B Option B: 6 litres, 6 litres
3. C Option C: 5 litres, 7 litres
4. D Option D: 7 litres, 5 litres

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