A mixture of 40 litres of milk and water contains 10% water. How much water should be added to this so that water may be 20% in the new mixture ?

A mixture of 40 litres of milk and water contains 10% water. How much

1.	A mixture of 40 litres of milk and water contains 10% water. How much water should be added to this so that water may be 20% in the new mixture ?
A.	4 litres
B.	5 litres
C.	6.5 litres
D.	7.5 litres
Answer» C. 6.5 litres

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A mixture of 40 litres of milk and water contains 10% water. How much water should be added to this so that water may be 20% in the new mixture ?

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