What is the name of this post?

In the spirit of brain hurting logic puzzles, check this one out:

If you choose an answer to this question at random, what is the likelihood that it is correct?
a) 25%
b) 50%
c) 60%
d) 25%

Thanks for the brain hurt io9:  http://io9.com/5854921/this-logic-puzzle-will-make-your-brain-hate-you