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100 litres whisky contain 40 litres of alcohol and 60 litres of water.
A B
1st draw → 36 54
After replacing with wine 38.5 61.5
2nd → 38.5 38.5
After replacing → 38.5 – 3.85 + 2.5 = 37.15.
3rd time → 37.15 – 3.715 + 2.5 = 35.935.
So, the answer is approx. = 9 :16
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