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Three women, three numbers (Posted on 2005-12-15) Difficulty: 3 of 5
Three women were seated around a table. After blindfolded, a numbered disc was pasted on each of their foreheads. The women were truthfully told "Each of you has either a 1, a 2 or a 3 on your forehead, and the sum of your numbers is either 6 or 7".

After the blindfolds were removed, each woman in turn was asked to name the number on her forehead without seeing it. The question was repeated until only one woman failed to name the number on her forehead.

When it was logically possible to name the number on her forehead, each woman did so; when it was not logically possible to name the number on her forehead, she would said "I donīt know my number", and waited until the question was repeated to her next time around.

Each woman had a 2 on her forehead. Which woman failed to name her number?

See The Solution Submitted by pcbouhid    
Rating: 3.3750 (8 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
formatting fixed in solution | Comment 17 of 28 |
sorry about that pcbouhid......kinda looked like the non-sensical ravings of a lunatic mind ....lol
  Posted by Wallace North on 2005-12-16 10:51:30
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