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-   -   Mental Nuts-- Can You Crack 'em? (http://cellar.org/showthread.php?t=26507)

BigV 12-19-2011 10:15 AM

Quote:

Originally Posted by footfootfoot (Post 781308)
Infi wins this one.

$4 shoes
$6 change
$10 make good on bad bill

$20.

I say $16. All of what you have above, and including the $4 the shoemaker gets to keep from the original change for the bad bill.

infinite monkey 12-19-2011 10:19 AM

Orange you glad he didn't say banana?

BigV 12-19-2011 10:23 AM

Quote:

Originally Posted by infinite monkey (Post 781324)
Orange you glad he didn't say banana?

Oh, no!!! I love BANANAS!

infinite monkey 12-19-2011 12:59 PM

Rachmaninoff.

footfootfoot 12-19-2011 01:09 PM

Gesundheit

infinite monkey 12-19-2011 01:13 PM

Haggis.

monster 12-19-2011 08:29 PM

There was no loss to the boy.

ZenGum 12-19-2011 09:20 PM

Well the boy is up a pair of shoes and six bucks, but down a fake tenner.
The neighbour is par - gave change for a fake tenner, but got a real tenner later on.
The shoemaker is therefore down by the same amount the boy is up - one pair boots, six bucks.

Gravdigr 12-20-2011 12:38 AM

Ima go w/V, $16.

footfootfoot 12-20-2011 06:34 PM

1 Attachment(s)
next nut

jimhelm 12-20-2011 06:46 PM

Give me as much as I have?

what is this i don't even

BigV 12-20-2011 06:56 PM

The man has 8 3/4 cents.

8.75 plus 8.75 equals 17.5 ; 17.5 minus 10 equals 7.5

7.5 plus 7.5 equals 15 ; 15 minus 10 equals 5

5 plus 5 equals 10 ; 10 minus 10 equals 0

HungLikeJesus 12-20-2011 06:58 PM

I assume it means he started with 8.75c and the first store owner gives him 8.75c. He then spends 10c, leaving him with 7.5c, and so on.

Edit: Woops! BigV beat me.

BigV 12-20-2011 07:01 PM

Beat you? Bah. You are my colleague--footfootfoot is the designated beater in this thread.

I see you also corrected the 2 with a 7. :)

ZenGum 12-20-2011 08:54 PM

Well the maths works, but how does he have 8.75 cents?

BigV 12-20-2011 09:02 PM

????

three cent nickels, quarter eagles, all these nuts are cracked. Where is your suspension of disbelief???

ZenGum 12-20-2011 09:27 PM

I'm starting to suspect the person who wrote this book was both mental AND nuts.

BigV 12-20-2011 09:42 PM

might not have happened in US currency. I found a link to a quarter-cent minted in ... Fiji? somewhere...Malaysia Straits.

footfootfoot 12-21-2011 09:06 AM

Quote:

Originally Posted by ZenGum (Post 781526)
Well the boy is up a pair of shoes and six bucks, but down a fake tenner.
The neighbour is par - gave change for a fake tenner, but got a real tenner later on.
The shoemaker is therefore down by the same amount the boy is up - one pair boots, six bucks.

Zen gets this one. I misread the answer earlier.

footfootfoot 12-21-2011 09:09 AM

Quote:

Originally Posted by BigV (Post 781786)
The man has 8 3/4 cents.

8.75 plus 8.75 equals 17.5 ; 17.5 minus 10 equals 7.5

7.5 plus 7.5 equals 15 ; 15 minus 10 equals 5

5 plus 5 equals 10 ; 10 minus 10 equals 0

Big V is right. I have no idea about how one gets 8 3/4 cents, but no less unlikely than finding a merchant who will give you matching funds to spend at his store. Let's assume the transactions were credit transactions on paper.




Scores so far:

Mental Nuts:
Rhianne = 1
HLJ = 2
Zen = 1
BigV =1

glatt 12-21-2011 10:03 AM

Wait, you're keeping score?

[/perks up]

(not really)

footfootfoot 12-21-2011 10:14 AM

Quote:

Originally Posted by glatt (Post 781893)
Wait, you're keeping score?

[/perks up]

(not really)

get busy!

footfootfoot 12-21-2011 10:16 AM

1 Attachment(s)
Today's nut:

glatt 12-21-2011 10:26 AM

Farm A is worth $4,800 and farm B is worth $1,200.

BigV 12-21-2011 10:32 AM

Quote:

Originally Posted by glatt (Post 781893)
Wait, you're keeping score?

[/perks up]

(not really)

Shirley, you jest.

footfootfoot 12-21-2011 10:37 AM

1 Attachment(s)
Mental Nuts:
Rhianne = 1
HLJ = 2
Zen = 1
BigV =1
Glatt = 1

glatt 12-21-2011 10:58 AM

It was easy. I was doubting myself as I was punching numbers into the calculator because it was too easy.

ZenGum 12-21-2011 06:30 PM

There is a trap in the question - that we might mistake "one-half mile square" for half a square mile, when of course a square half a mile on each side is a quarter of a square mile.

Glatt was way too smart for that. Pfft.

ETA, For this New Years Eve, I'd like to meet a girl as easy as this puzzle. :)

infinite monkey 12-21-2011 06:45 PM

They try to get you all confused with the illustration. I didn't fall for it, nosirree.

;)

HungLikeJesus 12-21-2011 07:00 PM

But that's only $7.50 per acre! Now I have to figure out how to go back to 1921 to buy some land.

ZenGum 12-21-2011 09:47 PM

Quote:

Originally Posted by HungLikeJesus (Post 782061)
But that's only $7.50 per acre! Now I have to figure out how to go back to 1921 to buy some land.

Be sure to take 1,000 3/4 cent pieces with you. :right:

BigV 12-21-2011 10:35 PM

Quote:

Originally Posted by ZenGum (Post 782047)
There is a trap in the question - that we might mistake "one-half mile square" for half a square mile, when of course a square half a mile on each side is a quarter of a square mile.

Glatt was way too smart for that. Pfft.

ETA, For this New Years Eve, I'd like to meet a girl as easy as this puzzle. :)

eta: usually, if you can find that button, it's pretty easy from there.

infinite monkey 12-22-2011 11:04 AM

Do I have to give back my trophy?

Rhianne 12-22-2011 01:34 PM

Quote:

Originally Posted by infinite monkey (Post 782213)
Do I have to give back my trophy?

You got a trophy? I'm still waiting for the free circus ticket I was told I'd receive for getting the first one right.

infinite monkey 12-22-2011 01:38 PM

But Rhianne, y'are at the circus, y'are! It's called "The Cellar" :lol:

Rhianne 12-22-2011 02:05 PM

There's no shortage of clowns, that's for sure!

infinite monkey 12-22-2011 02:09 PM

Send in me, there's got to be me [/judycollins]

footfootfoot 12-22-2011 05:09 PM

2 Attachment(s)
Here is nut # 10 which is more of an origami thing. I suppose for some people this sort of thing is a challenge.

I am also putting up #11, a proper mental nut.

And Rhianne, I forgot to mention shipping and handling and a 2.5% ticketmaster surcharge is not included in that free ticket.

HungLikeJesus 12-22-2011 05:22 PM

I'm not sure I get the question, but I'll guess the answer is 128.

If the answer can be a fraction, then it should be 4.766.

footfootfoot 12-22-2011 05:32 PM

Quote:

Originally Posted by HungLikeJesus (Post 782355)
I'm not sure I get the question, but I'll guess the answer is 128.

That may be the answer to #10, but not #11.

I think the question is asking if you had a cube made of cubic blocks (the size is irrelevant as long as they are all the same size cubes) and you surrounded the cube with more of the same sized blocks, so that the same number of blocks were in the large cube as in the surrounding square, how many cubic blocks would you have?

HungLikeJesus 12-22-2011 05:37 PM

I was thinking what number has a square root and a cube root that are both whole numbers. That's where I came up with 128.

If the square has to be touching the cube, the answer would be 4.766.

If the square could be much larger than the cube, than there could be many answers.

Edit: I'm re-thinking this.

footfootfoot 12-22-2011 05:43 PM

Well that's not the answer either and I can't really figure out how they got the answer they did.

ZenGum 12-22-2011 06:45 PM

Okay, the stuff about pumpkin seeds is distraction.

I want to start by understanding the question. Here are some clear points for starters:

1. We take blocks of a regular size, 1x1x1.
2. We arrange some into a perfect cube.
3. We arrange others into a perfect square. *see post 105
4. The number of blocks used to make the cube must be equal to the number of blocks used to make the square.
5. Adding these numbers together is the final answer.
6. The cube must be able to fit inside the square.

Now for some less certain parts of the question:
7. There is exactly one correct answer.
8. This must be an integer.

Now for some assumptions which are not stipulated. The solution probably lies in challenging one or more of these:
9. The square must touch the cube at at least one point.
10. The square must abut the cube along all of the cube's faces.
11. The square is only one layer high.
12. The square is only one layer thick.
13. The square is on the same alignment as the cube.

Violating 10 makes it fairly easy. You could have a cube 4x4x4, having 64 blocks, and make a square 16 blocks each side around it, thus using 16x4 = 64 blocks, thus reaching HLJ's answer of 128. Or you could make the square double height, 8 blocks per side, and still use 64 blocks. *see post 105

This does not deliver a uniquely correct answer, since other combinatiosn work with this.
You could have a cube of 6x6x6 = 216 blocks, and a square 8 blocks per side and 6 blocks high (8x4)x6 =216 blocks.

Or a cube 100x100x100 = 1,000,000 and a square 250 long and 1,000 high (250x4)x1000 = 1,000,000.

If you reject 10 and 13 you can play around with Pythagorean triads, but I had a look and couldn't find anything promising.

What the hell kind of pumpkin has cubic seeds, anyway?

BigV 12-22-2011 07:02 PM

1 Attachment(s)
Perhaps this pumpkin math fact will help:

Do you know the ratio between a pumpkin's circumference and a pumpkin's radius?








PumpkinAttachment 36198

ZenGum 12-22-2011 07:26 PM

1 Attachment(s)
Quote:

3. We arrange others into a perfect square.

Violating 10 makes it fairly easy. You could have a cube 4x4x4, having 64 blocks, and make a square 16 blocks each side around it, thus using 16x4 = 64 blocks, thus reaching HLJ's answer of 128. Or you could make the square double height, 8 blocks per side, and still use 64 blocks.
If we keep 10 but tinker with 3 and define a square as a line formed by one edge of a row of blocks, we get another option.

Think of a cube 4x4x4. Then wall this in with a ring 4 cubes on each side, i.e. leave the corners unfilled. Make the ring four blocks high. The square is the inside edge of the outer lines of blocks.

Attachment 36199

HungLikeJesus 12-22-2011 07:34 PM

Then you think the total number of seeds is 16!?

ZenGum 12-22-2011 07:40 PM

Oh, no, 128, as you said earlier - that pic is a top view, the whole thing is 4 layers high. So there are 64 in the cube, 64 in the wall which defines the square.

I was just showing this could be made to work and still have the square touching the faces of the cube.

Yet FFF says this is not the answer. :eyebrow:

FFF, when people are done, please post the official answer and we can have another puzzle trying to figure out how they reached it.

I really should go do stuff. See all yall later.

footfootfoot 12-22-2011 07:47 PM

Hmm, what if it were a square wall around it? i.e. a hollow cube?

For that matter does the cube have to be solid?

jimhelm 12-22-2011 07:59 PM

if the number were 16, you could make a cube by stacking 2x2x2 = 8, then a ring of 2,2,2,2 = 8

HungLikeJesus 12-22-2011 08:41 PM

That's true, but that's not very many seeds for a prize-winning pumpkin.

jimhelm 12-22-2011 10:14 PM

yeah, well... The whole pumpkin with 1ft cubic seeds thing is a bit of a mind fuck anyway....

I mean.... Where the hell did they come up with that shit? They could have used hay bales or coal or...fuck...anything else.

My answer works, so I'm claiming victory for this one. Put me on the list of geniuses.

ZenGum 12-23-2011 04:10 AM

Quote:

Originally Posted by HungLikeJesus (Post 782396)
Then you think the total number of seeds is 16!?


On second thoughts, yes.

Quote:

Originally Posted by jimhelm (Post 782403)
if the number were 16, you could make a cube by stacking 2x2x2 = 8, then a ring of 2,2,2,2 = 8

Yeah, this.

footfootfoot 12-23-2011 07:38 AM

The answer, mysteriously enough (they don't give an explanation) is 1024.

glatt 12-23-2011 08:03 AM

1 Attachment(s)
if 1024 is the answer,
then the answer is that the cube is 8x8x8 and the square around the cube is 8 layers deep on each side. And the corners are filled in. So each side ends up with 128 cubes.

I guess they wanted the sides to be as thick as the cube.

footfootfoot 12-23-2011 08:20 AM

1 Attachment(s)
Today's nut without seminal obfuscation:

HungLikeJesus 12-23-2011 08:27 AM

>>4x40 acres = 160 acres

jimhelm 12-23-2011 08:28 AM

i wanna say 60 without doing any math or thinking about it at all.

glatt 12-23-2011 08:39 AM

1 Attachment(s)
It doesn't say the acres have to be square. So I assumed the fence is a circle, and was going to do the math with Area=pi*r(squared) and circumference=2*pi*r

But I decided to google it and found that HLJ is correct and they are talking about square plots.

ZenGum 12-23-2011 04:52 PM

Quote:

Originally Posted by glatt (Post 782433)
if 1024 is the answer,
then the answer is that the cube is 8x8x8 and the square around the cube is 8 layers deep on each side. And the corners are filled in. So each side ends up with 128 cubes.

I guess they wanted the sides to be as thick as the cube.

I think we, the Cellar, have come up with several answers that meet the requirements as well as this.

A slightly simpler way to do the maths for this answer would be to imagine the 8x8x8 cube in the middle, then image 8 8x8 flat squares abuting each side and filling the corners. 8 sets of 64 = 512.

ZenGum 12-23-2011 04:56 PM

Quote:

Originally Posted by jimhelm (Post 782441)
i wanna say 60 without doing any math or thinking about it at all.


Hand back your genius card, sir!


Quote:

Originally Posted by glatt (Post 782446)
It doesn't say the acres have to be square. So I assumed the fence is a circle, and was going to do the math with Area=pi*r(squared) and circumference=2*pi*r

The starting phrase "if one mile of fencing encloses 40 acres ... " fairly strongly implies square fields (although not necessarily).

Clear communication is not the strong point of our nut-setter.


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