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Thread: 16 cards puzzle

  1. #1

    16 cards puzzle

    A1 B1 C1 D1 1.you have the 16 cards (left) and shuffle all of them
    A2 B2 C2 D2 2.you draw 2 cards go to step 3 or 4
    A3 B3 C3 D3 3.if they are the same in either letter or number put them asside go to step 2
    A4 B4 C4 D4 4.if they are not the same in either letter or number go to step 1 and restart
    Win.if all 16 cards are set asside

    the question is what is the probability of winning
    please keep the denominator as 16!

    i have tried it using branching probability but it had too many branches





    i make puzzles in my free time

  2. #2
    Quote Originally Posted by Denis View Post
    What d'heck does that mean?
    Can you please explain clearly what you're doing.
    Pretty sure soonsnow means this:

    A1 B1 C1 D1

    A2 B2 C2 D2

    A3 B3 C3 D3

    A4 B4 C4 D4

    1.you have the 16 cards (above) and shuffle all of them
    2.you draw 2 cards go to step 3 or 4
    3.if they are the same in either letter or number put them asside go to step 2
    4.if they are not the same in either letter or number go to step 1 and restart

    Win.if all 16 cards are set asside

    the question is what is the probability of winning
    please keep the denominator as 16!
    Heavens to Murgatroyd!!

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