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What's your favorite Enigma / Riddle / Sentence Puzzle? (self.asklemmy)

submitted 1 year ago by Kyoyeou to c/asklemmy@lemmy.ml

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Tomorrow is a big event at my university. I'd like to make a fun thing where the people of the Board Game society I am in can try to find me for a riddle, kind of a Where is Waldo in a place where there is a crap tone of people to find the NPC that'll give them a Riddle (Maybe something to win? No idea how I could do that detail)

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[–] stepanzak@iusearchlinux.fyi 8 points 1 year ago* (last edited 1 year ago) (2 children)

You are in a room with two doors. Each door has one guard. One door leads to heaven and the other leads to hell. You have to choose one door and once you choose it, you have to go there. Before you choose, you can ask one of the guards one question. One of them always lie and the other always tell the truth. You don't know which guard is the liar/truth teller and you don't know which door leads to hell/heaven. What's the question you ask the guard?

[–] Kyoyeou 6 points 1 year ago (1 children)

Dammit, I was actually rethinking about this one a few days ago. The Video that made me rethink about it

If I'm not wrong the answer is something a bit twisted lie "If I where to ask you if you are guarding the right door, would you say you are?" Which because it's a double lie, there is a way where they cross each other

Also xkcd post about this riddle

[–] stepanzak@iusearchlinux.fyi 6 points 1 year ago

You answer is right. I heard the solution as follows: Would the other guard say that you are guarding the right door? And then you revert it. Yours solution is better. The XKCD and the video made me laugh, thanks.

[–] Suspicious@lemmy.wtf 1 points 1 year ago (2 children)

What's 2+2?

[–] stepanzak@iusearchlinux.fyi 10 points 1 year ago* (last edited 1 year ago)

The guard replies either four or something else. You now know which of the guards is the liar and who is the truth teller. You used your one question and still have no clue which door leads to hell and which leads to heaven. You have to guess 😕.

[–] bugsmith@programming.dev 5 points 1 year ago

That will deduce the liar and truth-teller, but won't give you any information about which door leads where.