Logic Riddles

Question: In a town their is a barber who cuts everybody in the town's hair. But nobody in the town cuts their own hair. Yet the barbers always has beautifully kept and full hair.

Who cuts the barber's hair?

Question: Why can't Kevin, who is now living in Canada, not be buried in the USA?

Question: 7 frogs are sitting on a log. 1 of them decides to jump off of the log. At this moment how many frogs are on the log?

Question: A man was born on January 1st, 23 B.C. and died January 2nd, 23 A.D. How old did he live to be?

Question: Two men play five sets of tennis together and each win three sets.

How is this possible?