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Tennis Tease (Posted on 2013-03-28) Difficulty: 2 of 5
Evelyn, her brother, her daughter and her son are tennis players.
As a game of doubles is about to begin.
  1. Evelyn's brother is directly across the net from her daughter.
  2. Evelynís son is diagonally across the net from the worst player's sibling.
  3. The best player and the worst player are on the same side of the net.
Who is the best player?

No Solution Yet Submitted by K Sengupta    
Rating: 3.5000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution Answer | Comment 1 of 2
From points 1 and 2 there are two possible court layouts.

D S  
-----
B  E

OR

D E
-----
B  S

Where D = daughter, E = Evelyn, B = brother, S = son. and --- is the net.

In the first case, B must be the worst players sibling (from point 2), and therefore Evelyn is the worst.  From point 3, B must be the best since he is next to Evelyn.

In the second case, D must be the worst players sibling(from point 2), and therefore S must be the worst player.  Therefore B again, must be the best from point 3.

Therefore, Evelyn's Brother is the best player

  Posted by Chris, PhD on 2013-03-28 09:09:51
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