A mixture of 40 litres of milk and water contains 10% water. How much water must be added to make water 20% in the new mixture?
Impure Milk : Water = 8:1
Therefore, if there is 40 litres of impure milk, quantity of water is408×1=5 litres.
10% water is present in 40 litres of a mixture of milk and water. How much water must be added to it so as to get 20% water in the new mixture?