Monday, April 10, 2006

Kicking things off

We'll inaugurate this venture with a very simple one from the venerable Raymond Smullyan.

Crack it if you can:

A dealer bought an article for $7, sold it for $8, bought it back for $9, and sold it for $10. How much profit did he make?

3 comments:

RWH said...

I'm already getting complaints that this one is too easy, but I've seen smart people blow it.

Steve said...

This one probably fooled me when I first saw it at the age of five.

RWH said...

OK, OK.