Check this out.
http://www.mensa-test.com/
I am on test one, with a score of 16 at the moment.
That puts me in the " Intelligent" bracket. Iv'e been at it 30 minutes.
I have the answers to questions 1, 2, 3, 4, 11, 13, 18, 19, 21, 22, 23, 24, 25, 26, 27 and 33....
can anyone complete it?