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 Posted: Sat Apr 07, 2012 4:21 am
This is a thread to ask and solve riddles. Let's keep our minds logically sharp.
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Posted: Sat Apr 07, 2012 4:23 am
So there is this island where all of the inhabitants are either Knaves who always tell lies, or knights who always tell the truth. Given this information solve the following puzzle. (If you have already read this book and figured it out keep it to yourself so someone else can solve it, PM me if you want the answer and how I solved it)
This is an unusual puzzle; moreover it is
taken from real life. Once when I visited
the island of knights and knaves, I came
across two of the inhabitants resting under
a tree. I asked one of them, "Is either of
you a knight?" He responded, and I knew
the answer to my question.
What is the person to whom I addressed
the question? Is he a knight or a knave?
And what is the other one? I can assure
you, I have given you enough information
to solve this problem.
(This dude never gave the solution, I just figured it out)
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Posted: Sat Apr 07, 2012 4:59 am
This is a neat idea Gennie, I'm curious to see if anyone figures it out.
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Posted: Sat Apr 07, 2012 11:45 am
Here's an old one that should be familiar. It's the riddle of the sphinx.
What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?
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Posted: Sat Apr 07, 2012 12:30 pm
Eternally-X-Kaguya Here's an old one that should be familiar. It's the riddle of the sphinx. What goes on four legs in the morning, on two legs at noon, and on three legs in the evening? I know that one.  I had a science teacher who liked to put odd bonus questions on his quizzes and that was one of the ones he used. I'll not post the answer though, in case someone who doesn't know wants to guess at it. ^_^
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Posted: Sat Apr 07, 2012 4:16 pm
Geners This is a thread to ask and solve riddles. Let's keep our minds logically sharp. There already is a riddles thread here. In the future, remember to look around for related threads before just creating a new one. Quote: So there is this island where all of the inhabitants are either Knaves who always tell lies, or knights who always tell the truth. Given this information solve the following puzzle. (If you have already read this book and figured it out keep it to yourself so someone else can solve it, PM me if you want the answer and how I solved it) This is an unusual puzzle; moreover it is taken from real life. Once when I visited the island of knights and knaves, I came across two of the inhabitants resting under a tree. I asked one of them, "Is either of you a knight?" He responded, and I knew the answer to my question. What is the person to whom I addressed the question? Is he a knight or a knave? And what is the other one? I can assure you, I have given you enough information to solve this problem. (This dude never gave the solution, I just figured it out)  Is that really enough information to figure it out? If so, I guess I'm just not seeing it yet. I assume you couldn't take any cues from their dress, as knights may or may not be armed and armor-clad, and the knaves may just as well mimic them simply to be misleading. I don't see that a simple yes or no answer would be sufficient, and it isn't noted whether a more elaborate answer was given or if the addressee's companion spoke up. I also don't see that whatever answer was given would reveal the nature of the companion, unless it was specifically stated beforehand that they only paired with their opposites... I imagine I'm just overlooking something, though. Just to clarify, when you said all of the inhabitants are either knaves or knights... you did mean that the population was comprised of both knights and knaves, right? Not that it might be either all knights, or all knaves? Eternally-X-Kaguya Here's an old one that should be familiar. It's the riddle of the sphinx. What goes on four legs in the morning, on two legs at noon, and on three legs in the evening? Heh. Wow, I remember this one. This was one of the first things I learned from Egyptian mythology when I was a kid. I think I'll take the cue from Sarah and leave it to somebody else to answer though.
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Posted: Sat Apr 07, 2012 4:21 pm
Yes, There is both knights and knaves. Clothing has nothing to do with it. It's easier when you think of it as true or false, yes or no. Remember, Knights always tell the truth and knaves always lie.
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Posted: Sat Apr 07, 2012 4:48 pm
mourn_of_blades There already is a riddles thread here. In the future, remember to look around for related threads before just creating a new one. Josh mentioned that to me this morning, I looked at it but I don't think it's quite the same. That thread is open to having the answers to the riddles posted in the thread and Gennie wants the answers sent to him so that everyone has an equal chance to guess. Maybe if you put the bit about not posting the answers in the thread in the first post it might make it a bit more evident that you didn't intend it to be quite the same as the other thread? I'll leave the final ruling to Josh but it seems different enough to me. 
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Posted: Sat Apr 07, 2012 4:49 pm
Geners It's easier when you think of it as true or false, yes or no. Remember, Knights always tell the truth and knaves always lie. Not really. A knight will always answer "yes", a knave paired with a knight will answer "no", and a knave paired with another knave will answer "yes".
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Posted: Sat Apr 07, 2012 4:56 pm
mourn_of_blades Geners It's easier when you think of it as true or false, yes or no. Remember, Knights always tell the truth and knaves always lie. Not really. A knight will always answer "yes", a knave paired with a knight will answer "no", and a knave paired with another knave will answer "yes". Either means "one or the other".
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Posted: Sat Apr 07, 2012 5:06 pm
Really? I probably would have aced that class. also.... Gennie? 0-o *eye twitch*
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Posted: Sat Apr 07, 2012 6:08 pm
Quote: Josh mentioned that to me this morning, I looked at it but I don't think it's quite the same. That thread is open to having the answers to the riddles posted in the thread and Gennie wants the answers sent to him so that everyone has an equal chance to guess. Maybe if you put the bit about not posting the answers in the thread in the first post it might make it a bit more evident that you didn't intend it to be quite the same as the other thread? I'll leave the final ruling to Josh but it seems different enough to me. That probably would be a good idea. Geners Either means "one or the other". Yes, and unless stated otherwise, it would be foolish to assume it wasn't meant on an individual basis. Any individual is either or. It is not necessarily fact that any pair you might find together is composed of one of each. Even if you discern the nature of the first, that by itself doesn't mean that the second is the opposite. Rationally speaking, it seems more likely that two of the same would be found together before two opposites. Anyway, I think I answered myself in my last post, so I'll leave it at that.
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