A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station. Where is the best place for him to sit?
What coin doubles in value when half is deducted?
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
I have two coins, one is marked George I and one is marked George IV. One is genuine but one is a forgery. Which is the forgery?
Why are foot injuries so serious?