From a cask filled with wine, 108.75 litres are first drawn and replaced with water. From this mixture, 87 litres are drawn and replaced with water. The ratio of wine to water in the cask is now 3 : 2. How many litres of wine did the cask initially hold?

3L of milk are drawn from a container containing 30L of milk. It is replaced by water and the process is repeated 2 times more. What is the ratio of milk to water at the end ?

A bottle contains spirit and water in the ratio 1 : 4 and another identical bottle contains spirit and water in the ratio 4 : 1. In what ratio should the mixtures in the two bottles be mixed to get a new mixture in which the ratio of spirit to water is 1:3?

80 litres of a mixture of spirit and water in the ratio 7 : 9 is present in a container A. 20 litres of the mixture is transferred to another container B. Then the container A is filled with 20 litres of water. Then 32 litres of the mixture is again transferred to container B. The ratio of water to spirit of the mixture in container B is equal to:

A container contains a mixture of milk and water in the ratio 4 : 3. When 7 liters of the mixture are taken out and 7 liters of water are added to it, the ratio becomes 3 : 4. How many liters of milk were contained originally in the container?

A mixture contains alcohol and water in the ratio 4 : 3. If 12 liters of water is added to the mixture, the ratio becomes 4 : 5. Find the quantity of alcohol in the given mixture.

In 90 litres of a mixture of milk and water, the ratio of milk and water is 4 : 1. How much water should be added in the mixture so that the ratio of milk to water becomes 3 : 1 ?

A 558 litre of mixture contains milk and water in the ratio 15:16. How much milk must be added to the mixture so that it contains milk and water in the proportion of 3:2?

There is a 32 l mixture of milk and water. The ratio of milk and water in this mixture is 5 : 3. How many liters of water should be added to this mixture so that the resultant mixture has 50% water in it?

A bucket contains liquid A and B in the ratio 17:18. 140 litres of the mixture is taken out and filled with 140 litres of B. Now the ratio changes to 7:8. Find the quantity of liquid B initially. (In litres)

A mixture contains milk and water in a ratio of 9: 5. When 6 liters of water is added to this mixture, the ratio of milk and water becomes 9: 7. Find the quantity of milk in the mixture.

A mixture contains milk and water in the ratio 5: 2. If 4 liters of water is added to the mixture, the ratio becomes 5: 4. What is the quantity of milk in the given mixture?

In a solution of water and milk, the quantity of milk is double the quantity of water. To pass the quality standards, the solution must contain 90% milk in it. If the volume of solution is v, then how much pure milk in litre is to be added to the solution to pass the quality standard?

Two buckets are filled with milk and water in the ratios of 4:1 and 7:2. If these mixtures are mixed in the ratio of 1:5, respectively, then the resulting mixture will have water and milk in the ratio of:

A bottle is filled with liquid of which 4 parts are water and 5 parts are fruit extract. How much of the mixture must be drawn off and replaced with water so that the mixture may by half water and half fruit extract?

If 60 litres of a milk solution has 40% milk in it, then how much milk should be added to make the milk 60% in the solution?

385 ml of a chemical solution containing chemicals A and B in the ratio 4 : 3 is added to 1040 ml of another solution which contains chemicals A and B in the ratio 7 : 6. What is the ratio of chemical A and B in the final solution mixture?

Unit 1 contains milk and water in the ratio of 5 : 3 and unit 2 contains milk and water in the ratio 2 : 7. In what ratio units 1 and 2 be mixed such that the resulting ratio of milk and water will be 1 : 1?

385 ml of a chemical solution containing chemicals A and B in the ratio 4 : 3 is added to 1040 ml of another solution which contains chemicals A and B in the ratio 7 : 6. What is the ratio of chemical A and B in the final solution mixture?

A 12 litre solution of acid and water contains 30% acid. How much water (in litres) must be added to get a solution having 20% acid?