Good Riddles

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: I stare at you, you stare at me.I have three eyes, yet can't see.Every time I blink, I give you commands.You do as you are told, with your feet and hands.What am I?

Question: How many letters are in the alphabet?

Question: The shorter I am, the bigger I am.

What am I?

Question: A man leaves a $100,000 dollar bill on his desk and leaves work. When he returns the money is gone. He has three suspects: the cook, the cleaning lady, and the mail guy. The cook says he put the money under a book on his desk to keep it safe. They check and it is no longer there. The maid says she moved it when she was cleaning to the inside of the book between page 1 and 2. They open the book and look between page number 1 and 2 but it isn't there. The mail guy says he saw it sticking out of the book and to keep it safe he moved it to between page number 2 and 3. Once they are done the culprit is promptly arrested.Who did it and how did he know?