Two guards stand before two doors — one always lies, one always tells the truth. What single question reveals the safe door?

Popular Riddles Topics for You.

Hindi Riddles Love Riddles Short Riddles

You may also like

Science Jokes Science Quotes

riddles

Added By - Admin

Two guards stand before two doors, one leading to safety and one to danger. One guard always lies and the other always tells the truth, but you do not know which is which. What single question can you ask one guard to find the safe door?

Auto-reveals in 10s · show now

Answer

Ask either guard, "What would the other guard say is the safe door?" Then choose the opposite door, since both answers funnel to the same incorrect door regardless of which guard you ask.

Brain Teasers Riddles

Recent Riddles

What can open many different doors throughout your life, yet it is not a physical key at all? I served as a president during a great civil war and signed a proclamation that helped free enslaved people. Who am I? What is the closest star to planet Earth, providing both light and warmth? What single Roman numeral letter represents the number fifty? What simple curved shape is universally recognized as a symbol of love around the world? I am a song sung during the holiday season, sometimes performed door to door by groups of singers. What am I? I am pale, transparent, can float through solid walls, and I haunt old houses. What am I? I have no feet, yet I am the fastest thing in the universe. What am I? I am a sweet, golden liquid made by tiny flying insects from flowers. What am I? A suspect's phone records place them at two different locations ten miles apart only five minutes apart. What does this reveal?