Kids Riddles

Question: Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?

Question: What happens when you throw a blue rock into the yellow sea?

Question: I am the beginning of the end, the end of every place. I am the beginning of eternity, the end of time and space. What am I?

Question: What can one not keep, two hold, and three destroy?

Question: What has a foot but no leg?