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    seana 21's Avatar
    seana 21 Posts: 1, Reputation: 1
    New Member
     
    #1

    Feb 15, 2010, 07:50 AM
    I need help with a riddle
    This guy enters a card competition where you have to play 1 hand against each player.The only problem is he has to leave early so he doesn't play every player because he has to leave early the total number of hands that were played at the competition was 59. After how many hands did the guy have to leave?
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
     
    #2

    Feb 15, 2010, 07:59 AM
    I don't believe that there's enough information to determined that.

    Have you copied down the question correctly ?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Feb 15, 2010, 08:03 AM

    It would help if you would write out the riddle exactly as its was stated to you. The problem here is that you don't tell us whether all the other people in the competition played out all their hands, except for the ones that your guy missed.

    But here's a hint: if there are N people in a room shaking hands, and each shakes hands exactly once with every other person, the total number for hand shakes is:


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