I found this in a Sunday (London) Times story on Nassim Nicholas Taleb* and have paraphrased it here for your consideration:
You toss a coin 40 times and it comes up heads every time. What is the chance of it coming up heads the 41st time?
State you answer and I’ll tell you if you think like [...]

My Sunday AM column today is a rebuke to those who think red lights are for running. In the interest of fairness, I wanted to post a video of the Replacement’s doing their song, Run It, to provide a counterpoint to my position. I couldn’t find it so here’s Kids Don’t Follow off of the [...]

He remembered it was about 3:35?**
 
A grand prize for the winner. You must be specific. Google all you want; I thought this up myself.
*Are riddles inherently dorky, or is it just me?
**Question mark added at the insistence of the President of the Frank Gorshin Fan Club – Springfield Chapter.