The respective ratio of milk and water in a solution is 7 : 9. After adding 8 litres another solution in which concentration of milk is 50%, the respective ratio of milk and water becomes 4 : 5. Find the original quantity of milk present in the solution?

The respective ratio of milk and water in a solution is 7 : 9. After a

1.	The respective ratio of milk and water in a solution is 7 : 9. After adding 8 litres another solution in which concentration of milk is 50%, the respective ratio of milk and water becomes 4 : 5. Find the original quantity of milk present in the solution?
A.	28 litres
B.	35 llters
C.	56 litres
D.	21 litres
E.	None of these
Answer» B. 35 llters

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The respective ratio of milk and water in a solution is 7 : 9. After adding 8 litres another solution in which concentration of milk is 50%, the respective ratio of milk and water becomes 4 : 5. Find the original quantity of milk present in the solution?

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