## Search found 69 matches

Tue Oct 19, 2010 4:15 am UTC
Forum: Logic Puzzles
Topic: Three gods - True, False and Random
Replies: 65
Views: 36020

### Re: Three gods - True, False and Random

I feel like this was assumed but all the gods speak the same language right? so da will always mean yes always mean no independent of who we ask?
Thu Oct 14, 2010 8:31 pm UTC
Forum: Logic Puzzles
Topic: Sherlock Holmes Puzzle 3
Replies: 18
Views: 6747

### Re: Sherlock Holmes Puzzle 3

to introduce a point of complexity (I dont actually know if this changes the answer, I'll work it out later and let you know) we know that he climbs up three ft in 1 hr and he slips back 2 ft. But clearly he does slip down on the hour every hour. It happens gradually the whole way up. Now whats the ...
Mon Jul 19, 2010 12:36 pm UTC
Topic: 0768: "1996"
Replies: 190
Views: 56693

### Re: "1996" Discussion

does anyone besides me still think the ti-89 is the hack for ALL math( except stats because its just hard to type in the data on that calc))? admittedly i hate using matlab since its bulky and makes my computer cry... but seriously. symbolic integration is AMAZING. as is solving systems of equations...
Wed Jun 02, 2010 8:10 pm UTC
Forum: Logic Puzzles
Topic: How to confirm if someone is your "future you"?
Replies: 96
Views: 15178

### Re: How to confirm if someone is your "future you"?

ask to examine your future self's arm. find a place where there is no scar and cut yourself in that place. re-examine his arm for the spontaneous formation of a scar. if it happens, he is the future you.
Sun May 30, 2010 4:35 pm UTC
Forum: Logic Puzzles
Topic: Not as easy as 1 2 3
Replies: 56
Views: 14432

### Re: Not as easy as 1 2 3

doesnt this work? I am thinking of a number that is either 3.5 or 6.5. Is your number greater than mine? Yes: his number is 7,8,9 No: his number is 1,2,3 maybe: his number is 4,5,6 Then ask the same question using 1.5 and 2.5, 4.5 and 5.5, or 7.5 and 8.5 depending on which range you are in to get th...
Wed Apr 14, 2010 2:12 pm UTC
Replies: 172
Views: 45855

URI? did he mean URL? or am I just missing something
Wed Mar 17, 2010 4:10 am UTC
Topic: 0703: "Honor Societies"
Replies: 234
Views: 60401

### Re: Honor Societies

I showed my logic professor this comic
he sent me a detailed 3 pg email about how each instance of being a tautology really isnt
this comic lies
randall, why did you not get me extra credit?
Wed Feb 17, 2010 2:29 pm UTC
Topic: 0703: "Honor Societies"
Replies: 234
Views: 60401

### Re: Honor Societies

the first panel isnt really a tautology...
just sayin
Thu Jan 28, 2010 4:50 am UTC
Forum: Logic Puzzles
Topic: An old Bob Kraus puzzle from MathPuzzle
Replies: 41
Views: 10530

### Re: An old Bob Kraus puzzle from MathPuzzle

isnt this just something like there are a finite number of cases. List them all. Take the value you know and eliminate the cases that are not the same. look down the list. It does not help you to know if the first thing offered is odd or even. it doesnt help anyone else. eliminate all the cases that...
Sun Jan 10, 2010 2:16 am UTC
Forum: Logic Puzzles
Topic: Number Shark/Taxman
Replies: 21
Views: 4734

### Re: Number Shark/Taxman

I think I am a little confused as to what is going on. Say n=6 I choose 5 the taxman gets 1, because it is a factor of 5. Then we have the remove all numbers without factors. so he gets 2 (no factors left), 3 (no factors left) would he also get 4 and 6 as they now have no factors left (2, and 3 havi...
Sat Oct 10, 2009 1:19 am UTC
Forum: Logic Puzzles
Topic: The Ultimate Puzzle
Replies: 17
Views: 4180

### Re: The Ultimate Puzzle

Spoiler:
wait a sec... isnt everyone dead? When Hall told them that he sees a red dot, everyone can deduce the color of their dot. Then they die. So there is no one left to stand by the doors. So the question is really a lie.
Mon May 18, 2009 4:10 am UTC
Topic: 0585: "Outreach"
Replies: 119
Views: 36621

### Re: "Outreach" Discussion

Wouldn't the shark be dead? Its a fish right?

Now an orca on the other hand...

Also, wouldnt the helium always lift the shark, without needing to inflate a balloon? unless its from outside somehow and not in the capsule
Fri May 01, 2009 4:15 am UTC
Forum: Logic Puzzles
Topic: Four students, four boxes, one chance at an A grade!
Replies: 7
Views: 2614

### Re: Four students, four boxes, one chance at an A grade!

The best I can do is 1/6 overall Since there can be no communication, who picks what has to be chosen before hand. If persons 1 and 2 pick boxes one and 2, and persons 3 and 4 pick boxes 3 and 4, then there is a 1/6 chance they will get an A. The only other thing I could think of is if person one pi...
Thu Dec 18, 2008 11:47 pm UTC
Forum: Logic Puzzles
Topic: Outsmarting the Genie
Replies: 257
Views: 26351

### Re: Outsmarting the Genie

sorry if this has been posted, but im not going to read all of that wish 1. i wish that the wishes that you henceforth will grant to me will be enacted in exactly the way I would like them to be enacted (thus and NOT in any other way) wish 2. whatever you want 1 wish 3. whatever you want 2 another p...
Wed Oct 22, 2008 5:11 pm UTC
Topic: 0492: "Scrabble"
Replies: 171
Views: 49229

### Re: "Scrabble" Discussion

doesnt ostrich not get you the awesome 50 pt bonus clitoris would get?

so really clitoris is the better choice anyhow
Wed Jul 23, 2008 11:29 pm UTC
Forum: Logic Puzzles
Topic: Not sure if this is easy or hard
Replies: 42
Views: 10675

### Re: Not sure if this is easy or hard

C,E,P,Y

so just as a clarification, we are just reordering the 4 letters?
so its one of 4!=24 combinations of those 4 letters?
Tue Jul 22, 2008 3:16 am UTC
Forum: Hardware
Topic: Buying a Laptop for College
Replies: 37
Views: 4596

### Re: Buying a Laptop for College

i got an hp tx2000 sieries laptop/tablet convertible. its a really affordable tablet that works great. and its so much cheaper than all the other tablets (its finished price came out to just under the lenovo tablet's starting price) out there. only problem is that it runs a tad hot, but a cooling st...
Wed Jul 09, 2008 3:14 pm UTC
Topic: 0447: "Too Old For This Shit"
Replies: 95
Views: 20761

### Re: "Too Old For This Shit" Discussion

wow so true... and im only 18

another great line "im too old to die"
Tue May 20, 2008 11:14 pm UTC
Forum: Logic Puzzles
Topic: Complete the string of digits
Replies: 10
Views: 2367

### Re: Complete the string of digits

obviously it is 6927694924635566526131415926
its the number i just made up! duh

but for real, can we get more info, because as it stands, my answer would appear as good as any other
Fri May 16, 2008 12:27 am UTC
Forum: Logic Puzzles
Topic: O-P Bijections [solutions]
Replies: 9
Views: 3049

### Re: O-P Bijections [solutions]

Spoiler:
doesnt f(x)=e^x work? it will preserve order and maps Q->Q/{0}
Thu May 15, 2008 12:11 am UTC
Forum: Logic Puzzles
Topic: O-P Bijections
Replies: 9
Views: 2574

### Re: O-P Bijections

sorry if this is stupid but what does Q\{0} mean?
Thu May 08, 2008 2:12 am UTC
Forum: Logic Puzzles
Topic: Laser Logic
Replies: 135
Views: 31780

### Re: Laser Logic

on 24 im having issues gettingt the beam over all the targets, never mind in the right color...
Mon May 05, 2008 8:24 pm UTC
Forum: Logic Puzzles
Topic: Laser Logic
Replies: 135
Views: 31780

### Re: Laser Logic

Spoiler:
ive been trying on 20 but if the prism is on the red laser, the laser doesnt bend... and I cant find a way to make the three beams converge into white havnt attempted 24 yet
Sun May 04, 2008 8:15 pm UTC
Forum: Logic Puzzles
Topic: Laser Logic
Replies: 135
Views: 31780

### Re: Laser Logic

im stuck on 20 and 24 of the original game (the one linked from the first post in this thread)...
any hints?
Wed Apr 30, 2008 12:23 am UTC
Forum: Logic Puzzles
Topic: math~ solution
Replies: 10
Views: 3968

### Re: math~ solution

what is this the solution thread for?
Sun Apr 27, 2008 1:28 am UTC
Forum: Logic Puzzles
Topic: Nails and String [solutions]
Replies: 24
Views: 5589

### Re: Nails and String [solutions]

ok so maybe this has been said, but my math isnt good enough to keep up w/ the words u guys are using....
wouldnt just looping around each nail work?
like take ur string in the middle, twist, place the loop around a nail. repeat for all nails.

unless im just missing something obvious...
Fri Apr 25, 2008 3:04 am UTC
Forum: Logic Puzzles
Topic: 2000 books
Replies: 8
Views: 2723

### 2000 books

So I'm not sure if this has been done before, but its really tricky you are in a room with 2000 indistinguishable books 1000 weigh 9.9 lbs 1000 weight 10 lbs you have a single two pan balance scale that can also tell you the difference between the two pans what is the minimum number of weighing need...
Thu Apr 17, 2008 11:00 am UTC
Forum: School
Topic: uva v washu v cornell
Replies: 5
Views: 1366

### uva v washu v cornell

just wondered what you guys thought about going to these schools
(I got into all of them and cant decide)
although in uva's favor i got a cool research scholarship thingy plus I am waived from the distribution requirements
Fri Apr 04, 2008 12:11 am UTC
Forum: Logic Puzzles
Topic: Quest I-Poon
Replies: 94
Views: 20544

### Re: Quest I-Poon

is the picture not supposed to load in level 5...
cuz i cant name the place without it...
Mon Mar 03, 2008 7:00 pm UTC
Forum: Logic Puzzles
Topic: 1 + 1 = 1
Replies: 28
Views: 3800

### Re: 1 + 1 = 1

Spoiler:
25+25=3?
Sat Mar 01, 2008 6:27 pm UTC
Forum: Logic Puzzles
Topic: The 7th floor
Replies: 24
Views: 5090

### Re: The 7th floor

for question 2:
Spoiler:
the guy was a terrorist who tried to hijack the plane. The people threw him out of the plane to stop him from taking control. His death was nessesary to keep him from using the plane for his own nefarious purposes and he died by falling from a high altitude.
Tue Feb 26, 2008 3:02 am UTC
Forum: Logic Puzzles
Topic: Cycles in an infinite plane of arrows
Replies: 8
Views: 2520

### Re: Cycles in an infinite plane of arrows

i was under the impression that it did not matter because it says prove that there are NO closed cycles. so I showed that there can be at least one (in fact there can be infinitly many of these cycles tesselated on the infintie grid) the problem didnt state that there were to be no open loops... unl...
Tue Feb 26, 2008 2:29 am UTC
Forum: Logic Puzzles
Topic: Cycles in an infinite plane of arrows
Replies: 8
Views: 2520

### Re: Cycles in an infinite plane of arrows

i think im understanding the question wrong, but from teh way its phrased
Spoiler:
isnt it possible? if u start at a square pointing W, its conceivable that the rest of the squares that you travel are NW,N,NE,E,SE,S,SW brings you back to the same spot?
Thu Feb 21, 2008 3:00 pm UTC
Forum: Logic Puzzles
Topic: I dare you to solve this.
Replies: 82
Views: 36125

### Re: I dare you to solve this.

i got the puzzle in 50 min!
w/ a pen!
and no writing of notes besides crossing out incorrect answers as i went!

(im a little too proud of myself right now)
its a good puzzle!
Sun Feb 03, 2008 6:51 pm UTC
Forum: Logic Puzzles
Topic: Laser Logic
Replies: 135
Views: 31780

### Re: Laser Logic

can some1 give me a hint for level 9?
the diagonal things in the level keep screwing me up...
Fri Feb 01, 2008 2:02 am UTC
Forum: Logic Puzzles
Topic: Logic Poll
Replies: 46
Views: 9898

### Re: Logic Poll

just an observation, albeit a fairly arrogant one if you believe that you reason very well (perfectly or nearly) then the choise you choose would indicate how much of the world you believe reasons more poorly than you. specifically, you would believe that 1-[your range] do not reason as well...
Thu Jan 31, 2008 11:53 pm UTC
Forum: Logic Puzzles
Topic: Geography Challenge!
Replies: 27
Views: 5138

### Re: Geography Challenge!

#1
Spoiler:
im thinking 9. coming north to south, u can hit NY, PA, MD,WV, VA, NC, SC, GA, and FL. least it seems that way from the map I pulled up...
but im not sure
Wed Jan 30, 2008 5:05 am UTC
Forum: Logic Puzzles
Topic: Logic Poll
Replies: 46
Views: 9898

### Re: Logic Poll

i dont know how to add my vote...
Spoiler:
given taht we are all perfect logicians, the answer would be 100% for the reasons previously named. as we can see that wont be the case, id go w/ the 76-99% because upon seeing this everyone will reason the SAME that everyone should pick the almost everyone range.
Sat Jan 26, 2008 7:07 pm UTC
Forum: Logic Puzzles
Topic: Courtesy of "The Art and Craft of Problem Solving"
Replies: 24
Views: 5962

### Re: Courtesy of "The Art and Craft of Problem Solving"

i dont really like this solution because name the person who thinks up the random number professor 1, there are n professors total. professor n knows what the final number + the random number is, what the mean is. therefore he knows the random number. therefore he knows the sum of all the professors...
Wed Jan 16, 2008 4:17 pm UTC
Forum: General
Topic: Who the dickens are you?
Replies: 10922
Views: 2420094

### Re: INTRO THREAD THE THIRD

hi so im not very good at intro posts which is why i held of on doing this for so long...
im me...
i like logic puzzles
the end?

*yes i know it sucks*