Hotel Stranger

Riddle: You are staying in a single rooms hotel, meaning each room only holds one person. You are about to head to sleep when a man knocked on your door. He immediately apologized, saying he thought it was his room before going to the elevators. After that you phone security. Why?

Answer: You don't knock on the door to your own room. Source: https://www.riddles.com/index.php/6535

You are staying in a single rooms hotel, meaning each room only holds one person. You are about to head to sleep when a man knocked on your door. He immediately apologized, saying he thought it was his room before going to the elevators. After that you phone security. Why? — Hotel Stranger by Ifechi O. Riddle