Are you a professional?
Try this small lateral thinking test.
According to Anderson Consulting around 90% of the professionals they tested got all questions wrong but many pre-schoolers got several answers correct.
Andersons say this conclusively disproves the theory that most professionals have the brains of a 4 year old ;-) Enjoy!
Tip: click the forward button to pause the slideshow and step through the questions one at a time.