Brain Teasers
Al, Joe, and Beth
Al says Beth is lying, Beth says Joe is lying, Joe accuses both of them of lying.
Who is telling the truth?
Who is telling the truth?
Answer
Beth.Joe can't be telling the truth because then
Beth would be lying, and Al's statement (which is also a lie) would mean that Beth is telling the truth. These two facts contradict each other. Therefore Joe is lying, which means that Beth is telling the truth, which in turn means that Al is lying.
Hide Answer Show Answer
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!