Answer:
Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?
Railroad crossing without and cars can you spell that without any R's
Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?
What goes up and never comes down?
What is the only question you can't answer yes to?
What never gets any wetter no matter how hard it rains?