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wu :: forums    riddles    easy (Moderators: SMQ, ThudnBlunder, Icarus, Eigenray, towr, william wu, Grimbal)    Which Door « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: Which Door  (Read 761 times) Dixon Duval Guest Which Door   « on: Jan 18th, 2004, 8:05pm » Quote Modify Remove The Evil King imprisons a fair maiden in his dungeon.  There are 2 doors that she can go thru to escape. One door leads to certain death, the other to safety and freedom.  Inside with her are 2 guards, one ALWAYS lies and can't tell the truth.  The other is trustworthy, and cannot tell a lie.  The maiden does not know which is which, and can't find out.  The King allows her one question to help determine which door to choose.  What  one (1) question can she ask of either guard and be certain that she can choose the door to freedom.  Choose your question wisely. IP Logged John_Gaughan Uberpuzzler Behold, the power of cheese!     Gender: Posts: 767 Re: Which Door   « Reply #1 on: Jan 18th, 2004, 11:15pm » Quote Modify This question, in a different form, is already on the site. Look here: http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_har d;action=display;num=1033971551;start=37.   It is a good idea to search the forums before posting a riddle, as it may exist on the site already. IP Logged x = (0x2B | ~0x2B) x == the_question DD Guest Re: Which Door   « Reply #2 on: Jan 19th, 2004, 6:47pm » Quote Modify Remove Fork in the road huh?  Close but no cigar.  the answer involves using a double negative. IP Logged Icarus wu::riddles Moderator Uberpuzzler Boldly going where even angels fear to tread.     Gender: Posts: 4863 Re: Which Door   « Reply #3 on: Jan 19th, 2004, 7:17pm » Quote Modify In what way is this different? In both you have two choices, one bad, one good, and two people to ask the question of, one always lies, one always tells the truth, and the task is the same: ask one question which will cause either person to reveal the good choice.   The only differences between these two puzzles are superficial. The same solutions (there are multiple ways to go about it - the double negative solution can also be found in the Fork In the Road riddle threads) work for both. IP Logged "Pi goes on and on and on ... And e is just as cursed. I wonder: Which is larger When their digits are reversed? " - Anonymous DD Guest Re: Which Door   « Reply #4 on: Jan 19th, 2004, 8:41pm » Quote Modify Remove Guess I didn't look at enough responses.  Asking Which was would he tell me to go or which is the right way to go seems variable to me.  But as you mentioned, they are similar.  My apologies.  Which door is NOT the door to death? IP Logged Icarus wu::riddles Moderator Uberpuzzler Boldly going where even angels fear to tread.     Gender: Posts: 4863 Re: Which Door   « Reply #5 on: Jan 20th, 2004, 4:11pm » Quote Modify A couple solutions which may be found in the other thread: 1) "Which door would the other guy say leads to death?" 2) "If I asked you what door leads to escape, what would you answer?"   Both work here just fine. IP Logged "Pi goes on and on and on ... And e is just as cursed. I wonder: Which is larger When their digits are reversed? " - Anonymous Kazn Newbie     Gender: Posts: 45 Re: Which Door   « Reply #6 on: Jan 26th, 2004, 6:22pm » Quote Modify The answer here is slightly different from the fork in the road because there, the truthful guy and the liar come from their own village. That makes it so you can't ask which door they came from and thus, solving the riddle. I am still unsure of the answer myself. IP Logged rmsgrey Uberpuzzler     Gender: Posts: 2873 Re: Which Door   « Reply #7 on: Jan 27th, 2004, 6:48am » Quote Modify This one is indeed different from the Fork In The Road I puzzle but is equivalent to the Fork In The Road II puzzle IP Logged Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------=> easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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