Knights and Knaves Riddle?!


Question: You find yourself in a room with two doors each being guarded by one person. One of the doors leads to heaven while the other leads to hell. One of the guards is a knight (he always tells the truth) and the other guard is a knave (he always lies). You don't know which door leads to Heaven or Hell or which of the guards is the knight or knave. If you can go up to a guard and ask one question, then what question would you ask to know which is the door to heaven?


Answers: You find yourself in a room with two doors each being guarded by one person. One of the doors leads to heaven while the other leads to hell. One of the guards is a knight (he always tells the truth) and the other guard is a knave (he always lies). You don't know which door leads to Heaven or Hell or which of the guards is the knight or knave. If you can go up to a guard and ask one question, then what question would you ask to know which is the door to heaven?

Would he (pointing at the other doorkeeper) tell me this door leads to heaven?"

If the door you were indicating was the wrong one and you were asking the lying doorkeeper, his answer would be yes - because he would lie. If you were asking the truthful doorkeeper, he too would answer yes - since the other doorkeeper would lie. In either case, the other door would be the correct one.

you ask each person what the other person would answer to which path should i take & you take the opposite of what they both answer.

The male one tells the truth. The female lies.

Which door leads to hell?



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