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Mathematician Versus Detective (Posted on 2003-11-05) Difficulty: 3 of 5
The police commissioner hired a mathematician to help at a crime scene. At the scene were between 100 and 200 glasses of wine. Exactly one glass was poisoned. The police lab could test any sampling for poison. A group of glasses could be tested simultaneously by mixing a sample from each glass. The police commissioner desired only to minimize the maximum possible tests required to determine which exact glass was poisoned.

The mathematician started by asking a detective to select a single glass at random for testing. "Wouldn't that waste a test?", the detective asked. "No, besides I'm in a gambling mood.", the mathematician replied. How many glasses were there?

See The Solution Submitted by Ravi Raja    
Rating: 3.4444 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
darn you SK | Comment 2 of 21 |
I read the puzzle (0 comments).
I scribble on paper.
I go to post my answer (1 comment)
Tell me it's not true!!....
'SilverKnight'
  Posted by Lee on 2003-11-05 09:47:22
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