Question: There is a mixture of alcohol and water containing 60% alcohol. Amit wants to dilute the mixture to 50% by adding some quantity of water to it. But instead of adding pure water he added pure alcohol to the mixture, now to get the mixture to 50% diluted, how much water as a fraction of the mixture must be added?
a) ½ b) ¼ c) 1/3 d) 1/5 e) None of these
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