Logic Riddles

Question: A man in New York City has $10. He spends $6.50 on flowers, and $3 on lunch (hot coffee and a hot dog). He then gets on the subway which will take him 7 stops for 50 cents. But he is forced to get off of the subway just 5 stops away from where he began.

Why is this?

Question: How can you throw a ball 20 meters, and have it come back to you without hitting anything?

Question: Two people are born at the same moment, but they don't have the same birthdays.

How could this be?

Question: An iron horse with a tail of flax. The more the horse gallops, the longer his tail becomes.

Question: Which word does not belong in the following list:

Stop cop mop chop prop shop or crop?