A mixture of milk and water contains `55%` milk and remaining water. How much water should be added (in percentage ) in mixture to reverse the proporation of milk and water ?

A mixture of milk and water contains 60% milk and remaining water. How much water should be added (in percentage) in mixture to reverse the proportion of milk and water?

450 litres of a mixture of milk and water contain the milk and water in the ratio 9 : 1. How much water should be added to get a new mixture containing milk and water in the ratio 3 : 1?

450 litres of a mixture of milk and water contain the milk and water in the ratio 9:1. How much water should be added to get a new mixture containing milk and water in the ratio 3:1?

A mixture of 20 L of milk and water contains 20% water. How much water should be added to this mixture so that the new mixture contains 25% water

80 litre mixture of milk and water contains 10% milk . How much milk (in litres) must be added to make water percentage in the mixture as 80% ?

In 729 ml mixture the ratio of milk and water is 7.2. How much quantity of water should be added in new mixture so that the ratio of milk and water becomes 7:3?