A litre of pure alcohol is added to 6 litres of 30% alcohol solution. The percentage of water in the solution is

A litre of pure alcohol is added to 6 litres of 30% alcohol solution.

1.	A litre of pure alcohol is added to 6 litres of 30% alcohol solution. The percentage of water in the solution is
A.	50%
B.	65%
C.	60%
D.	40%
Answer» D. 40%

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A litre of pure alcohol is added to 6 litres of 30% alcohol solution. The percentage of water in the solution is

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