I can't figure it out.

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I can't figure it out.

Postby Anaxagoras » Thu Apr 16, 2015 2:38 am

Can anyone deduce the answer from the information given?

Image

http://www.theguardian.com/science/alex ... went-viral
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Re: I can't figure it out.

Postby Anaxagoras » Thu Apr 16, 2015 2:41 am

I think I figured it out.

Er, no. Fuck.
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Re: I can't figure it out.

Postby Anaxagoras » Thu Apr 16, 2015 3:02 am

OK, this time I think I finally figured it out.

Spoiler:
July 16


:tater:
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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 5:40 am

August 17.

Now check the spoiler. . . .

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Re: I can't figure it out.

Postby Anaxagoras » Thu Apr 16, 2015 5:47 am

Nope. :D
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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 6:08 am

I made a grid. Bernard gets the day. There are only two months with unique days--May 19 and June 18. If Bernard heard "19" or "18" he gets the correct date. That means Albert knows Bernard was not told 18 or 19 which means HE was not told May or June.

So we quickly remove May, June, 19, 18. This leaves July 14, 16, August 14, 15, 17. Here is the thing, Albert does not know if Bernard was told a NOW unique number. When Bernard reveals he does know he reveals the removal of May and June left him with a unique number. Remove July 14 and August 14 because "14" would not have identified the date with the removal of May and June.

So we are left with July 16, August 15, and August 17.

. . . which means the answer should be July 16 . . . I crossed out the wrong figure on my grid. Image

Why is August 15--or August 17--"wrong?" Because if Bernard was told "15" the date could definitely be my first choice of August 15. The problem is, I guess, that THEN Albert could not "know" the date IF the month is August.

This is the problem--with the problem--it only works if Albert was told "July." But what if he was told "August?" Then Bernard knows and he does not.

I am probably missing something that requires more beer. . . .

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 7:01 am

I leave Anax speechless!

I win!

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby asthmatic camel » Thu Apr 16, 2015 7:11 am

Does this mean I have to bake Cheryl a cake?

My cakes are fucking awesome.

And contain marzipan dildos.
Shit happens. The older you get, the more often shit happens. So you have to try not to give a shit even when you do. Because, if you give too many shits, you've created your own shit creek and there's no way out other than swimming through the shit. Oh, and fuck.

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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 7:55 am

Asthmatic: since this was a test designed for Former Colonists, Cheryl is a "he."

Give "her" a fruit cake. . . .

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby Anaxagoras » Thu Apr 16, 2015 8:31 am

Doctor X wrote:I leave Anax speechless!

I win!

--J.D.


Sorry. No, I'm pretty sure you got it right.

For some other dates it probably would have been impossible for one or both of them to figure it out.
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Re: I can't figure it out.

Postby knowsu » Thu Apr 16, 2015 8:33 am

asthmatic camel wrote:Does this mean I have to bake Cheryl a cake?

My cakes are fucking awesome.

And contain marzipan dildos.


Bake it and they will come!

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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 8:49 am

Anaxagoras wrote:Sorry. No, I'm pretty sure you got it right.


Image

Though I jumped to conclusions.

I think the thing that "bothers me" is that if it was "August" Albert should be "stuck." Though I guess if he was told "July" it all works out and he would not given his answer it it was "August."

Neat little puzzle though!

From the linkypoo there will be those who will tout the "are you smarter than a 14 year-old" crap but forget that 14 year-olds are studying this shit and most adults are not. 14-18 you may be studying calculus. At 35? 40? You may be a professor of various ancient languages, you may be writing legal arguments as a judge--you might be translating legal documents in one language into another as you do--but . . . the last time you dealt with this sort of thing was 20-25 years ago! Some longer.

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby Anaxagoras » Thu Apr 16, 2015 9:37 am

Yeah, if confronted with a lot of the math I learned in school, I would not be able to do it anymore.

Polynomials, trigonometry, or calculus, nope.

Most basic math and geometry though, probably could still do it if necessary.



With this problem, I don't think you have to be taught how to do it. You can use logic.
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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 9:43 am

You really want to be intimidated?

Go to university library and pull out a mathematics or even a physics journal from 50 to 100 years ago.

Look at it.

Realize you have no fucking clue what the hell it is about.

Then accept you are reading something understood 50 to 100 years ago.

Then start drinking heavily.

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby jacks » Thu Apr 16, 2015 8:39 pm

Spoiler:
may 19
or
Spoiler:
june 18
or
Spoiler:
august 14
or

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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 9:29 pm

jacks wrote:
Spoiler:
may 19


No. See explanation above which handles the rest of your objections.

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby jacks » Thu Apr 16, 2015 9:53 pm

I didn't make a grid. Uhg.
It wouldn't have made a difference.
Last edited by jacks on Thu Apr 16, 2015 9:59 pm, edited 1 time in total.

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Re: I can't figure it out.

Postby Doctor X » Thu Apr 16, 2015 9:56 pm

Grid helps!
Image

Just make sure you do not hastily cross out the wrong date. Image

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.

Shit. That's going to end up in your sig."--Pyrrho

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Re: I can't figure it out.

Postby DrMatt » Fri Apr 17, 2015 3:16 am

I looked at it like an abstract mathematician.
It's a logic problem.
A solution exists.
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Re: I can't figure it out.

Postby whitefork » Fri Apr 17, 2015 3:33 pm

Same here.
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