Answer:
What coin doubles in value when half is deducted?
On Christmas eve, when Santa leaves his workshop on the north pole, what direction does he travel.
What goes up the hill and down the hill, And spite of all, yet stand still?
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?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.