From a vessel containing 100 liter of wine, 10 liter are drawn out and an equal amount of water is added. From the mixture, 10 liter is again drawn out and same quantity of water is added. What is the final ratio of wine and water?
A. 91 : 9
B. 81 : 19
C. 80 : 20
D. 90 : 10
A. 91 : 9
B. 81 : 19
C. 80 : 20
D. 90 : 10
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