Answer:
How could all of your cousins have an aunt who is not your aunt?
What is a ten letter word that starts with gas?
Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?
What can you hold in your right hand but never in your left hand?
When does 4 - 1 = 5 ?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?