Three Coins

A teacher places three coins in front of her student: 1 copper, 1 silver, and 1 gold. She tells her student, “If you tell me a true statement, you will be given one of the coins. But if your statement proves to be false, you will be given nothing.”

What should the pupil say to guarantee being given the gold coin?

She says: “You will not give me the copper or silver coin.” If this is true, you get the gold coin. It cannot be a lie, because if it were a lie, it would have to come true!


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3 Responses to Three Coins

  1. Mark

    I had a much simpler answer that I thought of that meets all requirements and violates none. Simply tell 3 correct statements. You’ll get a coin each time, so sooner or later you’ll get the gold coin.

  2. Tell your doctor if blood sugar was under control during the past three
    months, and the recording of Hb – A1c levels. It is imperative to know what you must
    eat and what you must avoid when you are diabetic. Yes, your cat will eventually die–of something–but
    a diabetic cat can live into old age.

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