There are 40 coins placed on a table. 20 coins are heads up and the other 20 coins are tails up mixed randomly.
Mike puts on a blindfold and decides to create 2 piles of coins from these 40 coins, such that each set has the same number of coins with heads up and tails up. He can only move or flip them as he is unable to see them.
How does he create these two groups of coins?
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one eighty coins are there in in the coins
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