Good Riddles

Question: Which runs faster, hot or cold water?

Question: What arrives at the end and can occur several times a day, once every month, or last millions of years?

Question: Why does a flamingo lift up one leg?

Question: What is the difference between a locomotive engineer and a teacher?

Question: Once there was a family called the Biggers. There was Mr. Bigger, Mrs. Bigger, and their son. Who was the biggest?