Wolfgang typed:
An interesting problem was recently brought to my attention.

I like that one. Here's another less thought provoking oldie:

We put you in a room and fill it with deaf people. Given the room is now
quite crowded, we remove dead people, but add bad people. How many
people are now in the room?
--
TL,
Tim
---------------------------
http://css.sbcma.com/timj/