Kids Riddles

Question: A man and his boss have the same parents, but are not siblings. How is this possible?

Question: What goes up and down the stairs without moving?

Question: An apple tree has apples on it. A storm comes through and there is no longer apples on the tree. But there isn't apples on the ground either.

How can this be so?

Question: How do you make the number one disappear by adding to it?

Question: If a white house is white and a yellow house is yellow, what color is a green house?