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    Logic Matrix Puzzle

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    1)Smith, Johnson, and Cohen live in Brooklyn, Manhattan, and the
    Bronx (not necessarily in that order).They are flying to New York
    City in a jet whose pilot, copilot, and navigator are named
    Smythe, Jenson, and Kohn (again, not necessarily respectively).
    It is known that
    a. Cohen lives in The Bronx.
    b. Johnson is deaf and mute.
    c. Smythe had a brief fling with the copilot's wife.
    d. The passenger whose name sounds like the navigator's lives in
    Brooklyn. The navigator, however, lives in Manhattan.
    e. The navigator's next-door neighbor, one of the passengers, is a famous
    opera singer.
    What are the positions of Smythe, Jenson, and Kohn? (Hint:There
    are four sets of information. Two matrices might be useful.)
    The following two situations were reported to me by readers of
    the first edition of this book. For each one, what is the next step
    that you would take?

    2) An anthropologist discovers an isolated tribe whose written alphabet
    contains only six letters (call the letters A, B, C, D, E, and F).
    The tribe has a taboo against using the same letter twice in the
    same word. It's never done. If each different sequence of letters
    constitutes a different word in the language, what is the maximum
    number of six-letter words that the language can employ?

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    Solution Summary

    Instructions are provided for solving a deductive reasoning puzzle using a matrix to organize information. Limited information is provided to begin with; by reasoning deductively, further information may be inferred.