Kids Riddles

Question: I only point in one direction,
but I guide people around the world.

What am I?

Question: An empty bus pulls up to a stop and 10 people get on. At the next stop 5 people get off and twice as many people get on as at the first stop. At the third stop 25 get off.

How many people are on the bus at this point?

Question: How can forty elephants have forty-fore heads?

Question: What is harder to catch the faster you run?

Question: I am the only organ that named myself.What am I?