Imagine that a man walks up to you and says, ‘Everything I say to you is a lie.’ Is he telling you the truth or is he lying?
If you have not tried to solve it, have a go now. For everyone else, the answer is after the break.
The man is lying, but can you explain why?
I have produced an ebook containing 101 of the previous Friday Puzzles! It is called PUZZLED and is available for the Kindle (UK here and USA here) and on the iBookstore (UK here in the USA here). You can try 101 of the puzzles for free here.