I found this semi-humorous, semi-serious
IQ test for developers and thought it was quite neat and worthy of a mention here.
Some questions have obvious answers but there's also a few that could stump you (or at least stumped me). Oddly, the joke questions were harder than the technical ones.
I scored 65 (out of 100), though I should add that I intentionally sacrificed some points at Question 10 (you'll understand when you get there). If you take the test then post your results so all the Niners can see.