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Topic: Target Practice (in your head) (Read 456 times) |
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Noke Lieu
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pen... paper... let's go! (and bit of plastic)
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Target Practice (in your head)
« on: Dec 8th, 2004, 7:42pm » |
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Yes, you could very quickly find the answer with silicon help.
Where's the fun in that? (oh, there it is)
Just a simple couple, couldn't find a trace of them, but that's search function for you.
Willy Wutang goes to a fair. Nasty, number fiddling carnie folk everywhere. Walks up to a shooting gallery. Has a target:
16\_____/17
| 39 |
23/ _ \24
As many shots as he likes...
The aim is to get a sum of 100.
Else goto stair master
Seems that Langford Numbers have somehow escaped?
Okay, nice and easy... make sure there is one digit between two 1s, two digits between two 2s, three between 3s etc. so n=3 looks like 312132.
What does 5 look like? Pen and paper only, squires, until you're ready to submit the answer.
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| « Last Edit: Dec 8th, 2004, 10:43pm by Noke Lieu » |
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a shade of wit and the art of farce.
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Foolish
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Re: Target Practice (in your head)
« Reply #1 on: Dec 9th, 2004, 12:47am » |
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I got the target practice one, onto the others 
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Icarus
wu::riddles Moderator
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Re: Target Practice (in your head)
« Reply #2 on: Dec 9th, 2004, 8:52am » |
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I'm not sure I understand the situation for "target practice". The target appears to have 7 regions. 5 have the values 16, 17, 23, 24, 39. Of the other two regions, one is empty and one has a "-". Presumably the empty region is 0 points, but what is with the "-"?
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"Pi goes on and on and on ...
And e is just as cursed.
I wonder: Which is larger
When their digits are reversed? " - Anonymous
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rmsgrey
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Re: Target Practice (in your head)
« Reply #3 on: Dec 9th, 2004, 9:19am » |
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Target practice ::17*3=51, so 16,17,17 gives 50. Twice gives 100::
The Fifth Langford Number ::Unless I've missed something in my careful list of cases, there isn't one::
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Noke Lieu
Uberpuzzler
pen... paper... let's go! (and bit of plastic)
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Re: Target Practice (in your head)
« Reply #4 on: Dec 9th, 2004, 3:55pm » |
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on Dec 9th, 2004, 8:52am, Icarus wrote:| Presumably the empty region is 0 points, but what is with the "-"? |
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YaBB spacing issue... I couldn't be bothered drawing a picture. In hindsight, it would have been quicker...
rmsgrey, heh. you spotted it. Next value is?
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| « Last Edit: Dec 9th, 2004, 3:59pm by Noke Lieu » |
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a shade of wit and the art of farce.
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rmsgrey
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Re: Target Practice (in your head)
« Reply #5 on: Dec 10th, 2004, 12:32pm » |
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After posting, I did some online research, so disqualify myself from the follow-up question.
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