Answer:
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
What goes up and never comes down?
What is the difference between yesterday and tomorrow?
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?
On Christmas eve, when Santa leaves his workshop on the north pole, what direction does he travel.
What never gets any wetter no matter how hard it rains?