Multiple choice

Three containers X, Y & Z have a capacity of 10, 20 and 30 litres, respectively. X, which is empty, is filled with water from Y. Y is then filled with the wine from Z. X is now emptied into Z. The entire operation is repeated. What would be the strength of the wine in the container Z? (Y and Z containers are full up to their brims)

  1. 33%

  2. 25%

  3. 61%

  4. 50%
Reveal answer Fill a bubble to check yourself
C Correct answer

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