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?
On which day of the year do fewest people die?
On Christmas eve, when Santa leaves his workshop on the north pole, what direction does he travel.
Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?
I always have to work with something in my eye. What am I?