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Topic: 3 NEARLY IMPOSSIBLE RIDDLES (Read 15409 times) |
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srn437
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3 NEARLY IMPOSSIBLE RIDDLES
« on: Aug 29th, 2007, 11:08am » |
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A person flips a coin with you and he says"heads I win tails you lose". You agree to it. How do you win?
Yugi and Atem are playing yugioh against many people in a row. Yugi has a 50% chance of winning and Atem has a 50% chance losing. For those of you who don't know, they switch which soul/mind is used and they share a body. Why/when would they switch.
When you say no, do you mean yes?
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| « Last Edit: Aug 29th, 2007, 11:53am by srn437 » |
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mikedagr8
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #1 on: Aug 29th, 2007, 5:08pm » |
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1. Give him a double sided tails coin to flip or you flip that coin.
2. Pardon, it shouldn't matter when or if ever, they have the same relative chance it seems.
3. When I say no, I mean no.
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #2 on: Aug 29th, 2007, 5:11pm » |
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One of those answers is correct.
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mikedagr8
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #3 on: Aug 29th, 2007, 5:12pm » |
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When you say one of those answers are correct, do you mean that I think that these are lame?
This should be in the easy section, if I can fluke it. Seriously.
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| « Last Edit: Aug 29th, 2007, 5:13pm by mikedagr8 » |
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #4 on: Aug 29th, 2007, 5:16pm » |
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All you got was the third one. If you can fluke them, do it!
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mikedagr8
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #5 on: Aug 29th, 2007, 5:17pm » |
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No I mean that if I can look at them for 10 seconds and still be correct, they're not hard.
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #6 on: Aug 29th, 2007, 5:19pm » |
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The last one may have been kind of easy(I wanted to trick you into saying no, which would have meant yes), but you still can't solve the other ones.
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mikedagr8
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #7 on: Aug 29th, 2007, 5:23pm » |
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Given time and logical understanding anything I do can be solved. Just now, I don't have the time. I'm trying to finish reading through all the updates so I can start doing my logs assignment.
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towr
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #9 on: Aug 30th, 2007, 12:51am » |
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on Aug 29th, 2007, 11:08am, srn347 wrote:| A person flips a coin with you and he says "heads I win tails you lose". You agree to it. How do you win? |
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Cheat
e.g. Make it come up on its side. (Some soft underground like clay might help with that, although some coins can be balanced well enough on the side).
Coins without a head or tail would work as well.
Quote:| Yugi and Atem are playing yugioh against many people in a row. Yugi has a 50% chance of winning and Atem has a 50% chance losing. For those of you who don't know, they switch which soul/mind is used and they share a body. Why/when would they switch. |
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Yugi has at least as high a chance of winning as Atem, so he should always play.
And isn't the game properly called "duel monsters" or something?
(Of course prolonged playing might tire Yugi, dropping his successrate; so once it drops below Atem's, he should take over.)
Yugi and Atem always win when it counts though.
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Grimbal
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #10 on: Aug 30th, 2007, 2:08am » |
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- A person flips a coin with you and he says"heads I win tails you lose". You agree to it. How do you win?
- By chance.
Oops, I see the trick now. Shame on me.
Maybe:
- By saying: "I bet you'll win!"
- By saying: "More specifically: heads we both win tails we both lose."
- You examine the coin, say: "OK, you won", and pocket it.
- Yugi and Atem are playing yugioh against many people in a row. Yugi has a 50% chance of winning and Atem has a 50% chance losing. For those of you who don't know, they switch which soul/mind is used and they share a body. Why/when would they switch.
- They both win with 50% chance, so it doesn't matter who plays. A switch could be considered cheating by other players, so don't.
- When you say no, do you mean yes?
- Noooo! Absolutely not! How can you think such a thing of me? 
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| « Last Edit: Aug 30th, 2007, 3:22am by Grimbal » |
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rmsgrey
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #11 on: Aug 30th, 2007, 2:34am » |
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1) "A strange game. The only winning move is not to play. How about a nice game of chess?"
2) Is it possible to draw in Yugioh?
3) No.
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #12 on: Sep 3rd, 2007, 9:03pm » |
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on Aug 30th, 2007, 2:08am, Grimbal wrote:- A person flips a coin with you and he says"heads I win tails you lose". You agree to it. How do you win?
- By chance.
Oops, I see the trick now. Shame on me.
Maybe:
- By saying: "I bet you'll win!"
- By saying: "More specifically: heads we both win tails we both lose."
- You examine the coin, say: "OK, you won", and pocket it.
- Yugi and Atem are playing yugioh against many people in a row. Yugi has a 50% chance of winning and Atem has a 50% chance losing. For those of you who don't know, they switch which soul/mind is used and they share a body. Why/when would they switch.
- They both win with 50% chance, so it doesn't matter who plays. A switch could be considered cheating by other players, so don't.
- When you say no, do you mean yes?
- Noooo! Absolutely not! How can you think such a thing of me? |
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Good answers, but no, grimbal. Rmsgrey, you must play, and you usually can draw in yugioh, but in this riddle no. Here's a hint, if you play n games, you win n-1 or n with 50-50 probability. And grimbal, it isn't considered cheating.
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Ghost Sniper
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #13 on: Sep 4th, 2007, 11:35am » |
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on Aug 29th, 2007, 11:08am, srn347 wrote:A person flips a coin with you and he says"heads I win tails you lose". You agree to it. How do you win?
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Well, technically you could manipulate how you say it. For example, if it is heads, you can say "You said heads I win!" , the "I" meaning yourself, and the "You" meaning the other person. If it is tails, then you do the opposite of that. That way, you win either way.
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| « Last Edit: Sep 5th, 2007, 4:56pm by Ghost Sniper » |
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #14 on: Sep 4th, 2007, 5:21pm » |
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So close.
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mikedagr8
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #15 on: Sep 5th, 2007, 4:36am » |
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You repeat the statement of "heads I win, tails you lose". This way you win every time, if they argue you just repeat the statement proclaiming that they agreed to it, proving that you always win.
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Roy42
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #16 on: Sep 5th, 2007, 4:39am » |
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1. You punch the guy and run off with his wallet, or you lose the coin down a drain or something before you get the chance to flip it.
2. Why is because they are fighting in the shadow realm and yugi can't hold his own very long, or like the series, they end up playing Pegasus and use the switch strategy so he can't read their mind/s
3. In response to that question or another?
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Ghost Sniper
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #17 on: Sep 5th, 2007, 4:54pm » |
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I put the words in the wrong order in my last post. I edited it. see if it works now
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| « Last Edit: Sep 5th, 2007, 4:56pm by Ghost Sniper » |
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"Reason is more important than all emotions..."
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #18 on: Sep 5th, 2007, 6:13pm » |
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On the first one, if it's heads you say"If it was tails I would have lost, but it wasn't so I don't" and vice-verca. For the yugioh thing, after the first game if you won, switch. Since that was 50%, the other 50%(you losing)won't happen, so you switch every match starting after your first win(which occurs after 1 or 2 matches). The third answer is anything that implies no without saying it(like nope, or negative).
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FiBsTeR
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #19 on: Sep 5th, 2007, 7:00pm » |
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on Sep 5th, 2007, 6:13pm, srn347 wrote:| On the first one, if it's heads you say"If it was tails I would have lost, but it wasn't so I don't" and vice-verca. For the yugioh thing, after the first game if you won, switch. Since that was 50%, the other 50%(you losing)won't happen, so you switch every match starting after your first win(which occurs after 1 or 2 matches). The third answer is anything that implies no without saying it(like nope, or negative). |
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 There seems so many things wrong here I don't know where to begin.
"If it was tails I would have lost, but it wasn't so I don't"
Let: p = tails comes up, q = I lose, ~p = not p, ~q = not q
You're saying that: (p --> q) --> (~p --> ~q), or that the statement implies the inverse. That doesn't work.
"Since that was 50%, the other 50%(you losing)won't happen"
This argument came up before (edit: found it!), about how a "1-in-2" chance means that if it doesn't happen the first time, it must happen the next time. This isn't how probability is defined, assuming these games are independent of each other.
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| « Last Edit: Sep 5th, 2007, 7:15pm by FiBsTeR » |
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #20 on: Sep 5th, 2007, 10:57pm » |
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I was assuming they were dependant. And what is with that arrow thing? I've seen it before, but what does it represent.
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towr
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #21 on: Sep 6th, 2007, 12:33am » |
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It doesn't help to switch, even if the chances are strictly dependent, you'd still overall lose half the games. Because if Yugi switches after having won, then if Atem wins the second round, whoever plays the third round will lose again. And it would continue win-lose-win-lose etc
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Ghost Sniper
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #22 on: Sep 6th, 2007, 10:53am » |
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on Aug 29th, 2007, 11:08am, srn347 wrote:A person flips a coin with you and he says"heads I win tails you lose". You agree to it. How do you win?
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I misread the question...
I thought it was "Heads I win tails I lose".
i guess I'm too used to that...
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*sob* I miss my mommy... *blows nose* huh, I'm on? oh right.
(thinks to self) Time for my speech to these college kids.
"Reason is more important than all emotions..."
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srn437
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #23 on: Sep 8th, 2007, 7:43pm » |
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on Sep 6th, 2007, 12:33am, towr wrote:| It doesn't help to switch, even if the chances are strictly dependent, you'd still overall lose half the games. Because if Yugi switches after having won, then if Atem wins the second round, whoever plays the third round will lose again. And it would continue win-lose-win-lose etc |
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No, because it was 50% I win and I won so the next 50% won't happen and that is me losing if I switch(which I do).
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towr
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Re: 3 NEARLY IMPOSSIBLE RIDDLES
« Reply #24 on: Sep 9th, 2007, 7:26am » |
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on Sep 8th, 2007, 7:43pm, srn347 wrote:| No, because it was 50% I win and I won so the next 50% won't happen and that is me losing if I switch(which I do). |
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That makes absolutely no sense.
Besides, if if that nonsensical bit of reason held true, Atem could still loose after switching, then of course you wouldn't switch so he'd win the next round, but then you'd have to switch again. And then why wouldn't Yugi lose?
Or are you proposing both Yugi and Atem always win the first round in a series?
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