Answer:
A truck driver is going opposite traffic on a one-way street. A police officer sees him but doesnโt stop him. Why didnโt the police officer stop him?
You draw a line. Without touching it, how do you make the line longer?
How can you place a pencil on the floor so that no one can jump over it?
How do you discover something that does not exist?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
What goes around and around the wood, but never goes into the wood?