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Golden and silver coins in bag

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You have 20 golden coins and 14 silver coins in a bag. You put your hand in and remove 2 at a time. If they're of the same type, you add a golden coin to the bag. If they're of different types, you add a silver coin to the bag. (Assume you have a big supply of golden & silver coins for this purpose. Note: when you take the two coins out, you don't put them back in, so the number of coins in the bag keeps decreasing). What will be the color of the last coin left in the bag?

argaiv1874


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