Riddle: A women was sitting in her hotel room when she heard a knock on the door. In the doorway was a man whom she had never seen before. He said, "Oh, sorry. I thought this was my room. He went down the corridor and into the elevator. The woman went back into her room and called security. What made the woman so suspicious of the man?
Answer: You don't knock on your own hotel room door.
Riddle: An old man wanted to give the rest of his money to one of his three sons, but he couldn't decide who to give it to. So he gave each son a few coins to buy something to fill their living room. One man bought straw, but there wasn't enough to fill the room. The second man bought sticks, but it wasn't enough either. The third man bought two things that filled the room. What were the things?
Answer: A candle and a box of matches. He used the matches to light the candle, whose light filled the room.