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   A Raise 3: Mission Impossible
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   Author  Topic: A Raise 3: Mission Impossible  (Read 72 times)
alien2
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A Raise 3: Mission Impossible  
« on: Mar 12th, 2019, 7:06pm »
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A turnkey has a riddle for his new young apprentice. In the store he places three different keys on the desk and asks him: “Which key out of the three opens the door to the store? You have the right to touch/use one of these keys only in order to try it out. If you answer correctly, the spare key is yours and also a raise. I’ll give you a bit of a hint too (or is it friendly banter?): By utilizing pure logic I am certain that you can arrive at the answer.”
« Last Edit: Mar 12th, 2019, 7:09pm by alien2 » IP Logged


towr
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Re: A Raise 3: Mission Impossible  
« Reply #1 on: Mar 12th, 2019, 11:27pm »
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Maybe two of the keys have the same sort of cross-section? Which would mean either they both fit in the lock, but with only one allowing you to turn it, or the third key is the right one.
Or maybe the key that's not in the middle or on the left is the right one.
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alien2
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Re: A Raise 3: Mission Impossible  
« Reply #2 on: Mar 13th, 2019, 8:24am »
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No. These are three "different" keys, any way you put it; though I respect thy erudition and imagination. Sounds like a dead-end, doesn't it? But perhaps, that was another clue . . .
« Last Edit: Mar 13th, 2019, 8:48am by alien2 » IP Logged


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Re: A Raise 3: Mission Impossible  
« Reply #3 on: Mar 13th, 2019, 9:56am »
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So they're different not just in the sense that they don't unlock the same lock?  
Well, then just visual inspection of the locks and the key is sufficient. Given that one key will work, you don't even need to try one.
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Re: A Raise 3: Mission Impossible  
« Reply #4 on: Mar 13th, 2019, 11:59am »
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Apparently, I didn't provide all the relevant details. No, the keys are different, but you can't tell visually whether or not they fit the lock. They're "standard door keys", whatever that means, looking quite similar, though unlocking different doors.  
 
Like I said, it looks like a dead-end. But, there is one valid solution, in my humble opinion.
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Re: A Raise 3: Mission Impossible  
« Reply #5 on: Mar 22nd, 2019, 4:47am »
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Meh. There is a twist.
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