Ask either guard, “Which door would the other guard tell me leads to freedom?” Ask the honest one and he truthfully reports the liar’s lie. Ask the liar and he lies about the honest answer. Either way you get pointed at death, so take the other door.
You are in a room with two doors. One leads to freedom and the other to death. Each has a guard. One guard always lies and the other always tells the truth, and you don’t know which is which. You can ask one guard one question. What do you ask?
Give me a hintThe hint
Make your question pass through both of them.