A shopkeeper has 2 cans of milk. The first contains 30% water and the rest milk. The second contains 50% water. How much milk should he mix from each of the cans so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5? 1) 5 lit, 7 lit.
2) 9 lit, 3 lit.
3) 7.5 lit, 4.5 lit.
4) 4 lit, 8 lit.
2) 9 lit, 3 lit.
3) 7.5 lit, 4.5 lit.
4) 4 lit, 8 lit.