The Conservative Cave
The Bar => Comedy Central => Topic started by: Godot showed up on April 27, 2010, 11:18:43 AM
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Two kinds/tribes of men live on an island: red men and blue men. Red men always tell the truth; blue men always lie. Both kind of men always answer the question they're asked in some form, that is, if you ask them if a fruit is good to eat, they don't suddenly go into a non-sequitur discourse about their family histories.
One day, there's a terrible storm, driving rain and high, howling, wind, and a ship needs to find a safe port on the island to come to. Visibility is near zero. The captain and people on the ship are of the usual sort: white, black, Asian, etc. I.e., not red or blue people. The captain knows who lives on the island, and that red men always tell the truth, and blue men always lie. So it's REALLY important to find out their colors before he relies on their directions.
He sees, indistinctly through the pouring rain, 3 people standing on a near beach, watching his ship as it comes close to foundering.
The captain calls out, "what color are you?"
One man answers, but the wind is very loud, and the captain can't hear what he said.
The second man answers, and he shouts loud enough to be heard: "He [meaning the first man], said he's red, and he is red, and I'm red too."
The third man answers, and he says, also very loud, so the captain can hear him, "Nothing doing. They're blue, and I'M red."
What are the colors of the three men, and how did you arrive at your conclusions?
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The first two are red and the last one is blue. The second guy seemed to give it away because if blue always lies then the first guy had to be red because the second guy said that's what he said. He then verified that the first guy was red. If the first guy was blue he would have lied and said red and if the second guy was blue then he would have lied and said that the first guy said blue. Therefore the third guy is the only one left who could have lied.
And I just confused myself trying to explain my own thought process!
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The first two are red and the last one is blue. The second guy seemed to give it away because if blue always lies then the first guy had to be red because the second guy said that's what he said. He then verified that the first guy was red. If the first guy was blue he would have lied and said red and if the second guy was blue then he would have lied and said that the first guy said blue. Therefore the third guy is the only one left who could have lied.
And I just confused myself trying to explain my own thought process!
I'm calling this a winner, unbiased, because, although you left half of the bolded point unwritten, I think you understood the idea: no matter what the first guy said, he had to have said he was red. If blue, as you say, he'd have lied and said he was red. If red, he'd have told the truth, and said he was red. Either way we have one firm statement to hold on to, and then the rest follows.
You win 5 kegs of virtual beer. :cheersmate: :cheersmate: :cheersmate: :cheersmate: :cheersmate:
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Blue Man Group?
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I'm calling this a winner, unbiased, because, although you left half of the bolded point unwritten, I think you understood the idea: no matter what the first guy said, he had to have said he was red. If blue, as you say, he'd have lied and said he was red. If red, he'd have told the truth, and said he was red. Either way we have one firm statement to hold on to, and then the rest follows.
You win 5 kegs of virtual beer. :cheersmate: :cheersmate: :cheersmate: :cheersmate: :cheersmate:
If it's "virtual beer" then I can drink much more. Throw in an extra 5 kegs and we'll all virtually drink together!
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Two possible solutions:
NM...its important to read the question thoroughly. My bad