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1:36

The Two Guards Riddle

one always lies, one always tells the truth

There are 2 doors: one leads to freedom, the other to a dead end. Each door has a guard. One guard always tells the truth and the other always lies, but you don't know which is which. You may ask only 1 question to 1 guard. What do you ask?

Source: A classic puzzle, retold by INFINITE SUM and fact-checked against our curated notes

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