Question:
An electric train is going 40 mph north, the wind is blowing 60 mph south. Which way is the train's smoke blowing?
Answer:
The train is electric, therefore there would be no smoke.
Try another Brain Teaser:
A man went into a party and drank some of the punch. He then left early. Everyone at the party who drunk the punch subsequently died of poisoning. Why did the man not die?