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  1. Brutal king organized a deathmatch between 2 captured enemy soldiers and told them the one that wins the match will live and the other will be hanged to death.
    DeathMatch Rules:
    1. There will be 23 coins on the table.
    2. The one who picks the last coins will lose.
    3. You can pick coin either one or two at a time.
    4. Coins will be picked one by one.

    Consider yourself as one of the soldiers, will you pick coin 1st or 2nd and why?

    2. View Answer

    View Answer

    Answer : Pick 1st.

    Explanation :

    > Take 1 coin
    > Pick the opposite number of coins from the other soldier i.e if other soldier pick 1 coin, you pick 2 and if he picks 2 coins you pick one
    > After 15 moves, coins remaining will be 23 - 1 - 7(2+1) = 1
    > The other solider need to pick the last and he will loose.

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