Answer:
How do you tell a boy snowman apart from a girl snowman?
What has ears but does not listen
If roses are red, violets are blue, what is stuffed, brown and blue?
What is the smartest letter of the alphabet?
I met a man on the London bridge, he tipped his hat and drew his name, in this riddle I told you his name. What is it?
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.