Riddle: Two dogs are sitting on a porch - a fat dog and a thin dog. The little dog is the son of the fat dog, but the fat dog is not the father of the thin dog. Can you explain?
Answer: The fat dog is the mother.
Riddle: Which month has 28 days?
Answer: All of them!
Riddle: Fire is often maintained above me, and if you remove my first letter, you will find the home shared by everyone you have ever known. What am I?
Answer: A Hearth.
Riddle: Find an English word which is singular, add an "s" and it becomes plural, and add another "s" it becomes singular again. What is it?
Answer: There are actually 3 correct answers: Caress. Princess. Brass.
Riddle: Face with a tree, skin like the sea. A great beast I am, yet vermin frightens me. What am I?
Answer: An Elephant.
Riddle: What insect does a blacksmith manufacture?
Answer: He makes the firefly.
Riddle: Even though the odds are always in favor of the gambling house, why does the establishment insist on a house limit on stakes?
Answer: Every casino in the world would go bankrupt without a house limit on stakes. Without it, gamblers would keep doubling their stakes until they won. No matter how bad a losing streak they were on, they would eventually win.
Riddle: Even if you give this to someone else, you still get to keep it. What is it?
Answer: It is your word.
Riddle: Eight years ago, Bill was eight times the age of his son Bill Jr. Today, if you add their ages together, they add up to 52. How old are Bill and his son?
Answer: Bill is 40, and Bill Jr. is 12.
Riddle: During WWII, there was a bridge connecting Germany and Switzerland, and on the German side, there was a sentry tower with a guard in it. He would come out every three minutes to check on the bridge, and he had orders to turn back anyone who tried to get into Germany, and shoot anyone trying to escape without a pass. There was a woman who desperately needed to get into Switzerland, and she knew she didn't have time to get a pass. It would take her at least six minutes to cross the bridge, but she managed to do it. How?
Answer: When the sentry went into the tower, she would start to cross into Switzerland, and when he came out, she would start to walk back into Germany. When he saw her, he would tell her to turn back into Switzerland.