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 Unreliable Witnesses (Posted on 2017-05-17)
Six witnesses gave conflicting descriptions of the suspect.

Each witness had exactly one item correct. Each correct value appears at least once.

What would be the correct description of the suspect?

 Hair Jacket Shirt Pants Brown White Red Gray Red Blue Pink White Black Purple Yellow Blue Blond White Not Yellow White Brown Purple Green Gray Gray Blue Orange Blue

This can be solved analytically without trial and error.

From Mensa Puzzle Calendar 2017 by Mark Danna and Fraser Simpson, Workman Publishing, New York. Puzzle for May 12.

 See The Solution Submitted by Charlie Rating: 3.6667 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 Not Yellow Shirt | Comment 2 of 4 |
What about if the shirt is not-yellow and not any of the listed colors? A cyan-colored (or any color not in the list) shirt for example could be identified truthfully as not-yellow, making it's column have a singular true answer.

Since jacket & pants -options come in pairs they fix 4 options into these two columns, leaving shirt -option column constrained to have only a single selection thus limiting only yellow or not yellow as feasible options in this column. Making jacket blue and pants gray. This way the suspect could have black hair.

I guess it depends how you interpret the: Each correct value appears at least once. Not-yellow might be correct value appearing at least once? Or?..

HAIR  JACKET SHIRT PANTS
Gray
Blue
Black
Not Yellow
Gray
Blue

 Posted by atheron on 2017-05-18 15:06:11

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