Answer:
How do you drop an egg and never break it?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
When is homework not homework?
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?
Two fathers and two sons are in a car, yet there are only three people in the car. How is this possible?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.