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Geek Culture / How smart are you?

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Michael S
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Posted: 26th Feb 2008 22:52 Edited at: 27th Feb 2008 03:40
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There are 7 girls on a bus
Each girl has a backpacks
In each backpack are 7 big cats
For every big cat there are 7 little cats
How many legs are on the bus?


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andrey d
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Posted: 26th Feb 2008 22:54
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Can't guarantee the girls will have 2 legs or the cats 4 legs, lol.
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Tom J
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Posted: 26th Feb 2008 22:54
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Depends who else is on the bus
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Zotoaster
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Posted: 26th Feb 2008 22:56
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None, the bus has wheels.

Don't you just hate that Zotoaster guy?
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Michael S
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Posted: 26th Feb 2008 22:57
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There is a mathematical answer.
Wheels dont count as legs.
And there is no driver
All the girls have 2 legs each
All the cats have 4 each.


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Uncle Sam
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Posted: 26th Feb 2008 22:58
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The answere is 406.

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Insanity Complex
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Posted: 26th Feb 2008 23:02
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I got 238, but I always get these wrong...because I don't put more than a couple minutes into ANY math-ish problem..it gets tedious after that


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Libervurto
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Posted: 26th Feb 2008 23:06 Edited at: 26th Feb 2008 23:07
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Quote: "None, the bus has wheels. "

what I was thinking

Quote: "Each girl has a backpack
In each backpack are 7 big cats"

Big cats? Like... lions and tigers?

Quote: " Can't guarantee the girls will have 2 legs or the cats 4 legs, lol."

or that there aren't bodiless severed legs stored in the bus's baggage compartment

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James H
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Posted: 26th Feb 2008 23:11 Edited at: 26th Feb 2008 23:41
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14 - nothing else is on the bus? Each girl HAS a backpack though not with her? Someone should report them to the RSPCA though!!

edit:
ok 7 bags each - maybe it wasn`t a trick question then - 9618

edit:
doh! forgot the 343 lge cats*4! what tha rami put in his post
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Libervurto
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Posted: 26th Feb 2008 23:13
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This is a stupid riddle, it's like saying "what side up is my egg?"
and you're supposed to know with no information
then I say "eggs only have one side!"
that was actually pretty good

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Zotoaster
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Posted: 26th Feb 2008 23:16 Edited at: 26th Feb 2008 23:21
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There are 49 big cats, so 343 small cats, so 1372 legs for small cats, plus 196 for the big cats, plus 14 for the girls.

1582.

I think I have got it wrong somewhere...

[edit]

Wait...

Quote: "For each big cat there are 7 little cats"


On the bus?

I changed my mind. There are 210 legs

[edit]

Oh crap, each girl has 7 backpacks..

Don't you just hate that Zotoaster guy?
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tha_rami
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Posted: 26th Feb 2008 23:18
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7 kids x 7 bags = 49 bags
49 bags x 7 big cats each = 343 big cats
343 big cats x 4 legs each = 1372 big cat legs
343 big cats x 7 kittens = 2401 kittens
2401 kittens x 4 legs = 9604 kitten legs
7 kids x 2 legs = 14 kids legs
1372 big cat legs + 9604 kitten legs + 14 kids legs = 10990 legs.


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BenDstraw
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Posted: 26th Feb 2008 23:20 Edited at: 26th Feb 2008 23:25
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434

7*2 = 14 legs for the girls


each backpack has 7 big cats. which means there are 28 big cat legs per a backpack times 7 cause there are 7 girls with back packs

28*7 = 196 big cat legs.

Now if each big cat has a 7 kittens that is 49 kittens per a backpack

49*4 = 196 kittens legs per backpack.
196 * 7 = 1372 kittens legs total

1372+196+14= 1582




my guess is 1582 total legs


or I could be totally wrong but atleast I had fun doing it

[EDIT] Or its a trick question and the girls left their backpacks home, or they didnt bring their cats, why would someone bring their cat to school anyways?"

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xplosys
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Posted: 26th Feb 2008 23:22
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Three

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MonoCoder
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Posted: 26th Feb 2008 23:26
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The answer is what Uncle Sam got.


Girls => 14 legs.
number of big cats = 7 * 7
number of small cats = ( 7 * 7 ) * 7

legs = 14 + 49 + 343 = 406

Give me an ounce of Puyo, good apothecary, to sweeten my imagination.
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Jess T
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Posted: 26th Feb 2008 23:27 Edited at: 26th Feb 2008 23:28
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I got 1582.

[EDIT]
Scratch that, 2611.
[/EDIT]

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Zotoaster
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Posted: 26th Feb 2008 23:30 Edited at: 26th Feb 2008 23:32
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My second attempt:

Number of girls: 7
Number of backpacks: 49
Number of big cats: 343
Number of small ones: 2401

Number of legs for girls: 7 * 2 = 14
Number of legs for big cats: 343 * 4 = 1372
Number of legs for small cats: 2401 * 4 = 9604

Total legs = 14 + 1372 + 9604
= 10990


But! Assuming that the small cats aren't actually there (you didn't specifically say so):

Total legs = 14 + 1372
= 1386

Gotta be right unless it's an extra-annoying trick question.


[edit]

But, assuming that the girls didn't bring their backpacks, because you didn't specify that either:

Total legs = 14

Ok, gotta be one of the above

Don't you just hate that Zotoaster guy?
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NeX the Fairly Fast Ferret
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Posted: 26th Feb 2008 23:31
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They could be really talented cats that can walk on their hind legs, thereby halving the amount of limbs that count as legs.


I fail at life. No, really.
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spooky
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Posted: 26th Feb 2008 23:31
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I get same as tha_rami.

7 girls = 14 legs
7 * 7 = 49 backpacks
49 * 7 = 343 big cats = 1372 big cat legs
343 * 7 = 2401 little cats = 9604 little cat legs

Legs = 14 + 1372 + 9604 = 10990

I think where most people will fall over is misreading and assuming each girl only has 1 backpack, not the 7 which would be unlikely.

Boo!
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BenDstraw
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Posted: 26th Feb 2008 23:33
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this is gunna bother me. eureka email me the answer or i wont be able to sleep at night lol

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hyrichter
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Posted: 26th Feb 2008 23:33
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MonoCoder,
You forgot to multiply the number of cats by 4.

I get 1582 legs if we assume that all the cats are on the bus and there are no missing limbs.

7 girls = 14 legs
49 Big cats = 196 legs
343 small cats = 1372 legs
14 + 196 + 1372 = 1582

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hyrichter
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Posted: 26th Feb 2008 23:39
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Ooops, forgot that the girls each had seven backpacks....So...

7 girls = 14 legs
49 backpacks * 7 big cats = 343 big cats * 4 = 1372 legs
343 * 7(small cats) = 2401 small cats * 4 = 9604

Total legs = 14 + 1372 + 9604= 10990

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Libervurto
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Posted: 26th Feb 2008 23:39 Edited at: 26th Feb 2008 23:43
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[edit]
oops missed the 7 backpacks!

7 girls * 2 = 14
7 girls * 7 bags * 7 cats = 343 * 4 = 1372
343 cats * 7 kittens = 2401 * 4 = 9604

9604 + 1372 + 14 = 10990 legs

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NeX the Fairly Fast Ferret
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Posted: 26th Feb 2008 23:42
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Quote: "7 bags * 7 cats = 49 * 4 = 196
7 cats * 7 kittens = 49 * 4 = 196"

You're not taking into account for the bags in the second equation.


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Libervurto
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Posted: 26th Feb 2008 23:44
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Yeah i thought each girl only had one bag

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spooky
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Posted: 26th Feb 2008 23:46
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Quote: "and bus driver"


He already said no bus driver.

Anyway I did not realise how popular this problem appears on the net. Just Google for it and it has been posted a zillion times with the correct answer, and also a bucketload of wrong answers. How can people be so thick?

Boo!
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Phaelax
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Posted: 26th Feb 2008 23:47
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There are 7 girls on a bus
Each girl has 7 backpacks
In each backpack are 7 big cats
For every big cat there are 7 little cats
How many legs are on the bus?


girls = 7*2=14 legs
cats = 343*4 = 1372
kittens = 2401*4 = 9604
total legs = 10,990
wasting all our time = priceless

But technically, there are no legs on a bus as it has wheels. (unless its a flintstone's bus)


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Libervurto
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Posted: 26th Feb 2008 23:48 Edited at: 26th Feb 2008 23:54
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It is 10990 right?
That seems to be what everyone is coming to, and if anyone has something different it's because they missed something in the text.

@Phaelax
Yeah, it sounds like a trick question to me.

Problem:
If I have an octagon, and on each face of the octagon there is a cube, and on each exposed face of each cube there is a triangular pyramid, and on each exposed face of each pyramid there is a dot.
how many dots are there in total?

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Jess T
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Posted: 26th Feb 2008 23:55
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Heh, I messed up when adding together the number of big cats in each bag.

I got 10990 after doing it right the third time.

That must be a really big bus

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spooky
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Posted: 27th Feb 2008 00:05 Edited at: 27th Feb 2008 00:06
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@OBese87 - Octagon's are 2D objects and cubes and pyramids are 3D, so a nonsense question.

Could be;

8 cubes which means 8*6 faces minus the 8 faces attached to octagon = 40 free cube faces

Attached to those 40 faces are 40 pyramids which each have 4 exposed faces = 40 * 4 = 160, so answer is 160 dots.

Boo!
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Numlock
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Posted: 27th Feb 2008 00:08
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I'll go with 2758
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CattleRustler
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Posted: 27th Feb 2008 00:28
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I have three legs

[href]mod2software[/href]
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NeX the Fairly Fast Ferret
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Posted: 27th Feb 2008 00:36
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Let's not go into that, eh, CR?


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MonoCoder
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Posted: 27th Feb 2008 00:43
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Quote: "MonoCoder,
You forgot to multiply the number of cats by 4."



Ye gods! I did.

Give me an ounce of Puyo, good apothecary, to sweeten my imagination.
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Phaelax
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Posted: 27th Feb 2008 02:15 Edited at: 27th Feb 2008 02:15
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Quote: "Problem:
If I have an octagon, and on each face of the octagon there is a cube, and on each exposed face of each cube there is a triangular pyramid, and on each exposed face of each pyramid there is a dot.
how many dots are there in total?"


-3


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GatorHex
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Posted: 27th Feb 2008 02:18 Edited at: 27th Feb 2008 02:28
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Buses have wheels not legs, so zero/0/nill/no legs on the bus

if your not have that try

7^4 (num cat) = 2401 x 4 (cat legs) = 9604
2x7 (girl legs) = 14

Total legs (assuming no drive, no chair legs or 3 legged cats) = 9618

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Insanity Complex
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Posted: 27th Feb 2008 02:27
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I'm sorry, but the post was edited, it currently says

Quote: "There are 7 girls on a bus
Each girl has 7 backpacks
In each backpack are 7 big cats
For every big cat there are 7 little cats
How many legs are on the bus?"


It originally said

Quote: "There are 7 girls on a bus
Each girl has a backpack
In each backpack are 7 big cats
For every big cat there are 7 little cats
How many legs are on the bus?"


And therefore my initial answer was wrong anyway, so I'll revise it using the same information initially given

7 girls=14 legs
7 backpacks*7 big cats=49 big cats*4= 196 legs
49 big cats*7 little cats=343 little cats*4=1372 legs

so the total is 14+196+1372 or 1582


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AndrewT
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Posted: 27th Feb 2008 03:12
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What are all these girls doing on a bus with 49 backpacks, 343 big cats, 2401 little cats, and no bus driver??
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Michael S
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Posted: 27th Feb 2008 03:44
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I think its jut each girl has a back pack. I dont think its 7 per girl so I changed it back.
sorry.


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Darth Vader
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Posted: 27th Feb 2008 04:27
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Well it all depends on how many of the girls legs I haven't cut off and used to make the third Death Star!


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Jeff032
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Posted: 27th Feb 2008 04:52
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2*7 + 7*7*4 + 7*7*7*4 = 1582

my caps lock is off

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ionstream
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Posted: 27th Feb 2008 05:20
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Wait for it, there's going to be some catch like "what about the driver?" or "one of the girls has 1 leg!"

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Sid Sinister
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Posted: 27th Feb 2008 06:51
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and the answer is!?!?!?

It's so suspenseful


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Agent Dink
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Posted: 27th Feb 2008 07:01
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Jeff032's answer is also what I came up with. It's gotta be right as long as the question he has posted right now is the right question, then it's not even a difficult problem.

I love how so many different numbers got thrown around in this thread LOL.

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GatorHex
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Posted: 27th Feb 2008 07:09 Edited at: 27th Feb 2008 07:11
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LOL the question has changed since my answer, you make look stupid now

I prefered it when there were 7^4 cats because each girl had 7 backpacks. Don't worry about it being silly who would have 7*7 cats in a backpack anyway.. thats animal cruelty, you'd have to liquidize them or something.

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tha_rami
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Posted: 27th Feb 2008 07:25 Edited at: 27th Feb 2008 07:27
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Quote: "thats animal cruelty, you'd have to liquidize them or something."

Yeah, poor animals. Maybe chop them into pieces?

Quote: "a backpacks"

Woot! That's the trick! The question is grammatically incorrect and thus the answer is... that it's impossible!


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Dazzag
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Posted: 27th Feb 2008 08:29
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Isn't this a really old Excel spreadsheet? I remember doing it about a year ago. After a bit of scribbling I got the correct answer (spreadsheet won't let you continue until you get the correct answer). Its in the thousands if I remember correctly. Spreadsheet even comes with a visual aid which is daft as it only shows that once you have the answer. Duh, I know how it works....

Cheers

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BatVink
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Posted: 27th Feb 2008 10:10
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I have a funny joke. This guy walks into a pub. No wait, it was a girl, and she walked into a public toilet. Or was it a guy in a toilet. Anyway, somebody walked somewehere...

It's very difficult to work out a solution when the problem keeps changing!!!
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MSon
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Posted: 27th Feb 2008 13:19 Edited at: 27th Feb 2008 13:20
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My guess = 1584



This is opperating under the bases that the driver, girls can cats have no missing limbs

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Insanity Complex
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Posted: 27th Feb 2008 13:32
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@MSon:

Quote: "There is a mathematical answer.
Wheels dont count as legs.
And there is no driver
All the girls have 2 legs each
All the cats have 4 each.
"


We're operating under the assumption that there is no driver. (We have rogue school girls driving a bus)


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