< Puzzles < Logic puzzles < Hats
Puzzles | Logic puzzles | Hats | Solution
The first man saw at most 1 blue hat in front of him, for if he saw 2 he would have said "red" (there are only 2 blue hats).
The second man saw a red hat in front of him, for if he saw a blue hat he would have said "red" (the first man saw at most 1 blue hat).
That's how the last man now knows the 2nd man saw a red hat on him.
This article is issued from Wikibooks. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.