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Thread: permutation and combination

  1. 05-29-2005, 02:02 PM #1
    zraovez
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    permutation and combination

    In how many ways can 11 # signs and 8* signs be arranged in a row so that no two * signs come together?

    Official Answer=495 pls explain
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  2. 05-30-2005, 07:39 AM #2
    Amavisca
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    Re: permutation and combination

    Check this : http://www.urch.com/forums/showthrea...ht=permutation (Another combination question)
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