KöMaL 2008 C930
A game uses 11 red, 7 blue and 20 green counters. The bank returns two green counters for one red and one blue, two blue counters for one red and one green, and two red counters for one blue and one green. In making these trades, the player is trying to achieve that he has counters of a single colour. Which colour?
Official text KöMaL. Quoted with source.
Solutions
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