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teknix
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Brain teaser!
#13972226 - 02/16/11 05:34 AM (12 years, 11 months ago) |
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So you are standing before 2 doors. Each door has a man in front of it. one of the men never lies, and the other never tells the truth. One of the doors lead to certain doom, the other leads to your freedom.
You get to ask 1 question to one of the men. What question must you ask to find the door to freedom?
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makaveli8x8
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Re: Brain teaser! [Re: teknix]
#13972235 - 02/16/11 05:38 AM (12 years, 11 months ago) |
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i would ask, how is it possible that someone had already made a thread about this before?
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teknix
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What was the answer?
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makaveli8x8
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Re: Brain teaser! [Re: teknix]
#13972243 - 02/16/11 05:44 AM (12 years, 11 months ago) |
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not sure if we ever got the answer, but i remember people saying to ask the guy if the other guy is lieing which i don't think would work
another person i think said to ask how many fingers were behind there back which would work
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  We were sent to hell for eternity ร hยฎ We play on earth to pass the time Over-population the root of all Evil-brings the Elites Closer to the gates.
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teknix
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Nope that wouldnt work.
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makaveli8x8
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Re: Brain teaser! [Re: teknix]
#13972248 - 02/16/11 05:45 AM (12 years, 11 months ago) |
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and why not?
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  We were sent to hell for eternity ร hยฎ We play on earth to pass the time Over-population the root of all Evil-brings the Elites Closer to the gates.
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teknix
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Because you still don't know which door to go in . . .
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virus1824
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Re: Brain teaser! [Re: teknix]
#13972256 - 02/16/11 05:50 AM (12 years, 11 months ago) |
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No question leads to a satisfiable answer.
-------------------- A weekend wasted is never a wasted weekend
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makaveli8x8
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Re: Brain teaser! [Re: teknix]
#13972257 - 02/16/11 05:50 AM (12 years, 11 months ago) |
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ah i was just assuming the one telling the truth would be infront of the freedom one
well in that case its very simple you can't get a answer
you require an answer to 2 questions, which is the right door, and which person is which, and you only get 1 quesiton...hence impossible.
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  We were sent to hell for eternity ร hยฎ We play on earth to pass the time Over-population the root of all Evil-brings the Elites Closer to the gates.
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KingSpade
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Yeah he told it wrong, in the real riddle you get 2 questions. "Is this the right door" and "is he a liar" are supposed to be the answers i think, but this shit never made any sense to me so whatever.
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godisanastronaut
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"is he a liar" doesnt give any useful information (the answer is obviously "yes")
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CosmicFool
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if you were the other guy which door would you go through
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CosmicFool
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You are on your way to the county fair with a bale of hay, you prize sheep, and a ferrel dog.
all 3 item must make it to the fair in acceptable condition but along the way you come upon a river that must be crossed. The current is too fast and the river too wide to swim or wade across but luckly you find a small boat tied on your side of the river.
the boat is too small to bring more then one item across at a time and you don't want to risk sinking. But if you leave the sheep alone with the hay the sheep will eat it and if the dog is left with the sheep the sheep will be killed.
how do you get everything safely to the fair?
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Maharishi_2_U
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Quote:
CosmicFool said: You are on your way to the county fair with a bale of hay, you prize sheep, and a ferrel dog.
all 3 item must make it to the fair in acceptable condition but along the way you come upon a river that must be crossed. The current is too fast and the river too wide to swim or wade across but luckly you find a small boat tied on your side of the river.
the boat is too small to bring more then one item across at a time and you don't want to risk sinking. But if you leave the sheep alone with the hay the sheep will eat it and if the dog is left with the sheep the sheep will be killed.
how do you get everything safely to the fair?
This was on a Simpsons episode posed as Maggie, Rat Poison and Santas lil helper Lol
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BlueJayWay
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You bring the sheep to the other side, then go back and bring the hay to the other side, and you take your sheep back to the starting side, then take the dog to the other side, then go back and bring the sheep to the other side again.
I think I used to know the answer to the first one, but I can't remember. I know I've at least heard the first one
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Kisper
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Or kill the feral dog and the whole thing becomes alot easier.
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godisanastronaut
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Re: Brain teaser! [Re: Kisper]
#13972515 - 02/16/11 08:03 AM (12 years, 11 months ago) |
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or ditch the sheep and grow some shrooms on the hay.
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All things are true. God's an Astronaut. Oz is Over the Rainbow, and Midian is where the monsters live.
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KingSpade
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Quote:
godisanastronaut said: "is he a liar" doesnt give any useful information (the answer is obviously "yes")
Yes sir, that is why I said it makes no god damned sense. I hate this riddle, it was invented to piss me off as it has no answer
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CosmicFool
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Quote:
KingSpade said: Yes sir, that is why I said it makes no god damned sense. I hate this riddle, it was invented to piss me off as it has no answer
I already gave the answer
Quote:
CosmicFool said: if you were the other guy which door would you go through
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jacobensis
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two blacks walk into a irish bar! what do you think happens?
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BlueJayWay
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Quote:
if you were the other guy which door would you go through
Ahhh, that's it. Yeah, I did used to know the answer. I can't remember if I figured it out or if someone told me.
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godisanastronaut
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but why do the door guys want freedom? they're just the door guys, standing there to give answers, they don't have free will or some crap like that. oO
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All things are true. God's an Astronaut. Oz is Over the Rainbow, and Midian is where the monsters live.
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thePatient
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Quote:
teknix said: So you are standing before 2 doors. Each door has a man in front of it. one of the men never lies, and the other never tells the truth. One of the doors lead to certain doom, the other leads to your freedom.
You get to ask 1 question to one of the men. What question must you ask to find the door to freedom?
Quote:
CosmicFool said: if you were the other guy which door would you go through
Okay so this is confusing me assuming CosmicFools answer is correct. So, if you by random chance ask the guy who never tells the truth CosmicFools question, wouldn't he just lie and give you the wrong answer? Then you'd be left wondering which guy he was and if he gave you a good answer (truth) or not.
-------------------- T h e r e a r e n o o r d i n a r y m o m e n t s.
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godisanastronaut
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ah i get it. you'd ask something like "which door would the other guy say is the right door" and they both point at the wrong door. the guy telling the truth shows the door that the other guy would recommend (the wrong one) and the other one is lieing by showing you the wrong door anyway.
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All things are true. God's an Astronaut. Oz is Over the Rainbow, and Midian is where the monsters live.
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thePatient
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Quote:
godisanastronaut said: ah i get it. you'd ask something like "which door would the other guy say is the right door" and they both point at the wrong door. the guy telling the truth shows the door that the other guy would recommend (the wrong one) and the other one is lieing by showing you the wrong door anyway.
Quote:
teknix said: So you are standing before 2 doors. Each door has a man in front of it. one of the men never lies, and the other never tells the truth. One of the doors lead to certain doom, the other leads to your freedom.
You get to ask 1 question to one of the men. What question must you ask to find the door to freedom?
-------------------- T h e r e a r e n o o r d i n a r y m o m e n t s.
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Idiot
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Re: Brain teaser! [Re: teknix]
#13972723 - 02/16/11 09:21 AM (12 years, 11 months ago) |
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Quote:
teknix said: So you are standing before 2 doors. Each door has a man in front of it. one of the men never lies, and the other never tells the truth. One of the doors lead to certain doom, the other leads to your freedom.
You get to ask 1 question to one of the men. What question must you ask to find the door to freedom?
Could you please walk through that door behind you?
I always thought it was one question to each person which would make KingSpade's answer correct.
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Senor_Doobie
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You don't have to ask the question to both people. Either one will give you the wrong door as an answer so it doesn't matter which one you ask.
-------------------- "America: Fuck yeah!" -- Alexthegreat โNothing can now be believed which is seen in a newspaper. Truth itself becomes suspicious by being put into that polluted vehicle. The real extent of this state of misinformation is known only to those who are in situations to confront facts within their knowledge with the lies of the day.โ -- Thomas Jefferson The greatest sin of mankind is ignorance. The press takes [Trump] literally, but not seriously; his supporters take him seriously, but not literally. --Salena Zeto (9/23/16)
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Senor_Doobie
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Here's another old one.
You have two pitchers and a faucet. One of the pitchers holds five gallons of water and the other holds three. You need exactly four gallons. How can this be done?
-------------------- "America: Fuck yeah!" -- Alexthegreat โNothing can now be believed which is seen in a newspaper. Truth itself becomes suspicious by being put into that polluted vehicle. The real extent of this state of misinformation is known only to those who are in situations to confront facts within their knowledge with the lies of the day.โ -- Thomas Jefferson The greatest sin of mankind is ignorance. The press takes [Trump] literally, but not seriously; his supporters take him seriously, but not literally. --Salena Zeto (9/23/16)
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BlueJayWay
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Quote:
Senor_Doobie said: Here's another old one.
You have two pitchers and a faucet. One of the pitchers holds five gallons of water and the other holds three. You need exactly four gallons. How can this be done?
It can't because I always spill things when I pour them 
I guess you could fill the 3 gallon pitcher, pour it into the 5 gallon, then fill the 3 gallon, pour as much as you into the 5 gallon so that you have 5 gallons in the 5 gallon, and 1 gallon in the other, then you could empty the 5 gallon, pour the 1 gallon from the three gallon into the 5 gallon, then fill the 3 gallon and you have four gallons?
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godisanastronaut
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Quote:
thePatient said:
Quote:
godisanastronaut said: ah i get it. you'd ask something like "which door would the other guy say is the right door" and they both point at the wrong door. the guy telling the truth shows the door that the other guy would recommend (the wrong one) and the other one is lieing by showing you the wrong door anyway.
Quote:
teknix said: So you are standing before 2 doors. Each door has a man in front of it. one of the men never lies, and the other never tells the truth. One of the doors lead to certain doom, the other leads to your freedom.
You get to ask 1 question to one of the men. What question must you ask to find the door to freedom?
i was just pointing out that the two possibilities lead to the same answer
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Idiot
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Quote:
Senor_Doobie said: You don't have to ask the question to both people. Either one will give you the wrong door as an answer so it doesn't matter which one you ask.
Quote:
KingSpade said: Yeah he told it wrong, in the real riddle you get 2 questions. "Is this the right door" and "is he a liar" are supposed to be the answers i think, but this shit never made any sense to me so whatever.
If you ask "is he a liar" the truth teller will say "yes, he is a liar" while the lie teller will lie and say "no he tells the truth". It doesn't matter who you ask, using only one of the answers you can deduce who tells the truth.
That leaves you with one question..."which door is safe to go through?"
Using only one question it's impossible.
Using CosmicFools answer it still wouldn't work.
Quote:
CosmicFool said: if you were the other guy which door would you go through
Assuming both men have self preservation in mind the truth teller would say the safe door while the liar will think the safe door and give you the dangerous door.
Id say the best way is just to ask one of them to go through either door, if they die go through the other door, if they live, follow them.
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CosmicFool
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Re: Brain teaser! [Re: Idiot]
#13973061 - 02/16/11 10:55 AM (12 years, 11 months ago) |
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Quote:
Idiot said: Using CosmicFools answer it still wouldn't work.
Quote:
CosmicFool said: if you were the other guy which door would you go through
Assuming both men have self preservation in mind the truth teller would say the safe door while the liar will think the safe door and give you the dangerous door.
Id say the best way is just to ask one of them to go through either door, if they die go through the other door, if they live, follow them.
reread my post. IF YOU WERE THE OTHER GUY which door would you choose
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Senor_Doobie
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Re: Brain teaser! [Re: Idiot]
#13973232 - 02/16/11 11:30 AM (12 years, 11 months ago) |
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I don't know why you are quoting me but you seem confused.
Let's say Door X is the door that leads to freedom and door Y is the door that leads to doom. If you ask "Which door would the other man tell me is safe?"
The honest guy would say "Door Y" because the liar would lie. The liar would say "Door Y" because that would be a lie.
Therefore it doesn't matter which one is telling the truth and which one isn't. Either one that you ask will tell you "Door Y" and you would know that "Door X" would be the door to freedom.
-------------------- "America: Fuck yeah!" -- Alexthegreat โNothing can now be believed which is seen in a newspaper. Truth itself becomes suspicious by being put into that polluted vehicle. The real extent of this state of misinformation is known only to those who are in situations to confront facts within their knowledge with the lies of the day.โ -- Thomas Jefferson The greatest sin of mankind is ignorance. The press takes [Trump] literally, but not seriously; his supporters take him seriously, but not literally. --Salena Zeto (9/23/16)
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Idiot
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OK I was just talking with one of my coworkers about it and my way (even though it can provide the right answer) is very confusing.
Your way on the other hand will almost provide the right answer. It's all about how the question is phrased. In this case " If you were the other guy which door would you tell me to go through?"
If you ask both people that question they will both say the same door, which will be the unsafe door, then just choose the opposite door.
That means you can ask just one question choose the door that is not suggested and be safe.
EDIT: Sorry Senor_Doobie, I thought my name was in the Re section.
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Senor_Doobie
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Quote:
BlueJayWay said:
Quote:
Senor_Doobie said: Here's another old one.
You have two pitchers and a faucet. One of the pitchers holds five gallons of water and the other holds three. You need exactly four gallons. How can this be done?
It can't because I always spill things when I pour them 
I guess you could fill the 3 gallon pitcher, pour it into the 5 gallon, then fill the 3 gallon, pour as much as you into the 5 gallon so that you have 5 gallons in the 5 gallon, and 1 gallon in the other, then you could empty the 5 gallon, pour the 1 gallon from the three gallon into the 5 gallon, then fill the 3 gallon and you have four gallons?
That would work. I was thinking that you could fill the five gallon jug and pour three gallons from that into the three gallon jug. Then empty out the three gallon jug and pour the remaining two gallons from the five gallon into the three gallon. Fill the five gallon again and pour one gallon into the three gallon.
But either wayw oould work.
-------------------- "America: Fuck yeah!" -- Alexthegreat โNothing can now be believed which is seen in a newspaper. Truth itself becomes suspicious by being put into that polluted vehicle. The real extent of this state of misinformation is known only to those who are in situations to confront facts within their knowledge with the lies of the day.โ -- Thomas Jefferson The greatest sin of mankind is ignorance. The press takes [Trump] literally, but not seriously; his supporters take him seriously, but not literally. --Salena Zeto (9/23/16)
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Kisper
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Re: Brain teaser! [Re: Idiot]
#13978377 - 02/17/11 11:07 AM (12 years, 11 months ago) |
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Quote:
Idiot said: OK I was just talking with one of my coworkers about it and my way (even though it can provide the right answer) is very confusing.
Your way on the other hand will almost provide the right answer. It's all about how the question is phrased. In this case " If you were the other guy which door would you tell me to go through?"
If you ask both people that question they will both say the same door, which will be the unsafe door, then just choose the opposite door.
That means you can ask just one question choose the door that is not suggested and be safe.
EDIT: Sorry Senor_Doobie, I thought my name was in the Re section.
This is all assuming that the perpetual liar would always want to lead you to your doom and vice versa with the truthful one.
Edit: not trying to knock your answer in particular, just sharing an insight i had on this whole brain teaser
Edited by Kisper (02/17/11 11:10 AM)
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