05-10-2007, 11:04 PM | #81 |
Network Security Analyst
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Re: Logic Puzzles
They don't answer...
They all answer the same (example: all answer black) They all say that they cannot see anything |
05-10-2007, 11:24 PM | #82 |
FFR Player
Join Date: Jan 2007
Location: The BG
Age: 37
Posts: 56
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Re: Logic Puzzles
Well... there is no definite number of people that have to be saved... so...
The last guy, that can see the heads almost has to die. When asked he can say the color of the hat in front of him. He has a 50/50 chance of sharing the same color, black or white. Then, when the next guy has to say his color he will know what his is. HOWEVER, the flaw is that if they don't share the cap color someone else can die - so, if the colors are different they can cough before they announce there own color so the person in front of them knows what color to say. I think that works... maybe, well, for 9 of them anyway.
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05-10-2007, 11:33 PM | #83 |
FFR Player
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Re: Logic Puzzles
i think there's something in this one that we're missing. it seems too simple.
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05-11-2007, 03:08 PM | #84 | |||||
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Join Date: Feb 2005
Posts: 35
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Re: Logic Puzzles
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Last edited by Rolenquin; 05-11-2007 at 03:12 PM.. |
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05-11-2007, 04:07 PM | #85 |
FFR Hall of Fame
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Re: Logic Puzzles
Logic puzzle:
Axioms: Ax 1: [A -> (B -> A)] Ax 2: (A -> B) -> {[A -> (B -> C)] -> (A -> C)} Ax 3: (~B -> ~A) -> (A -> B) Prove: ~A -> (A -> B) then prove ~~A -> A then prove (A -> B) -> (~B -> ~A) where -> is the standard implication structure
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05-12-2007, 10:22 AM | #86 |
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Join Date: Feb 2005
Posts: 35
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Re: Logic Puzzles
For the answer to mine since no one has posted the 100% correct one yet... since the last prisoner will see 9 people in front of him, there has to be an odd number of hats and an even number of hats. If he calls out the odd number of hats first lets say white, he has a 50/50 chance of living. The person in front of him now knows that there should be an odd number of white hats in front of him IF he is not a white hat. If he is a white hat then there will be an even number. This process can go on all the way to the front of the line.
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05-12-2007, 12:33 PM | #87 | |
TWO THOUZAND COMBO
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Re: Logic Puzzles
For Kit-'s answer: So wtf does an inmate do when he opens box 34, it has ID 53 in it, and then he opens box 53 and it has ID 34 in it?
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05-14-2007, 12:02 PM | #88 |
FFR Player
Join Date: Feb 2005
Posts: 35
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Re: Logic Puzzles
then he found his own nametag Shash I thought about that too but it works itself out...
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