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Joined: 04 Sep 2006
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04 Jun 2009, 10:37
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In a certain match, each of the four players will play with each of the other players exactly once. At the same time, only two players play the game. If all the plays cost 3 hours, how long time did one player play?
Intern
Joined: 27 Apr 2009
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04 Jun 2009, 12:32
there will be total 6 game.
each game time will be 180/6 = 30 minutes
each player is playing 3 games, so the each player will play for 90 minutes.
Senior Manager
Joined: 16 Jan 2009
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Concentration: Technology, Marketing
GMAT 1: 700 Q50 V34
GPA: 3
WE: Sales (Telecommunications)
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04 Jun 2009, 12:45
no of matches = 4C2 = 6
each match = 180 / 6 = 30 mins
each player plays 3 matchs so in all 90 mins
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Lahoosaher

Re: plays   [#permalink] 04 Jun 2009, 12:45
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