Come on guys, you can enjoy these puzzles for their own sake without freaking out about interviews. That's how this site sees them, too. Start with these: <a href="http://www.ocf.berkeley.edu/~wwu/riddles/easy.shtml" rel="nofollow">http://www.ocf.berkeley.edu/~wwu/riddles/easy.shtml</a>
I've written a page about a puzzle even harder than "The Hardest Logic Puzzle Ever":<p><a href="http://www.srcf.ucam.org/~te233/maths/puzzles/evenharder.html" rel="nofollow">http://www.srcf.ucam.org/~te233/maths/puzzles/evenharder.htm...</a><p>Sorry it takes so long to connect to the server!
Isn't it illegal in the US to use IQ testing when interviewing candidates?<p>If so, then I think these puzzles are just a way to get around this law.<p>The job may not involve much puzzle-like thinking, but it never hurts to have high IQ employees.