Riddle Twin Brothers Liar. This is an old riddle of forks in the road but a fun one if you havent heard it before. One leads to the other side of the mountain and the other will get you lost forever.
Airplane riddle of flying around the world. You can ask them only one question. One of the brothers always lies and the other always tells the truth.
One of the doors will guide you to freedom and behind the other is a hangman --you dont know which is which.
How could Sonia sell half a poodle riddle. You do not know which fork to take but you know that one side leads to eternal life and happiness and one side leads to death and destruction. You can ask them only one question. An old puzzle but a good one.