In a mixture of 35 litres the ratio of milk and water is 4:1. If 7 litres of water is added to the mixture. Then the ratio of milk and water in the resulting mixture will be come.
6 parts of milk are mixed with one part of water 5 litres of water are added to the mixture and it is then found to certain 5 times as much milk as water. How many litres of milk were there in the mixture first?
