# The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.

 One liners Goto page 1, 2  Next
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Zakatak
Icarian Member

 Posted: Thu Jan 24, 2002 10:03 pm    Post subject: 1 Does anyone know any one liner puzzles? i.e. ones that are easy to tell other people? like this one: A lobster weighs 10 pounds plus half its own weight. How much does it weigh?
JDTAY
obseletes now

 Posted: Thu Jan 24, 2002 10:05 pm    Post subject: 2 What can you add to a container of water to make it weigh less?
JDTAY
obseletes now

 Posted: Thu Jan 24, 2002 10:07 pm    Post subject: 3 A doctor give you five pills and tells you to take one every half hour until they are all gone. How long is it before they are all gone? I know, that's two lines, still relatively short though.
Zakatak
Icarian Member

 Posted: Thu Jan 24, 2002 10:16 pm    Post subject: 4 i'm guessing, but how about for the first one it is heat. and for the second one it would take 2 hours, since when he gave you them you took one. and I'm totally new here so I don't know if you already had a topic like this one.
ronl
Daedalian Member

 Posted: Thu Jan 24, 2002 10:20 pm    Post subject: 5 As for the container one ... while I don't wholey agree with the "heat" answer, I believe you are only a few letters off. ------------------ This post is rated NWS: Not Worthy of a Signature.
sodasipper
Guest

 Posted: Thu Jan 24, 2002 11:17 pm    Post subject: 6 w = .5w + 10 .5w = 10 w = 20 And I don't even like lobster...
Milt
Daedalian Member

 Posted: Fri Jan 25, 2002 2:13 am    Post subject: 7 I have some: A half is a third of it. What is it? What time is it if 8 kids share a cake? How far can a dog run into the woods?
impossibleroot
Hi-Keeba!

 Posted: Fri Jan 25, 2002 3:06 am    Post subject: 8 >How far can a dog run into the woods? Halfway, then he starts eating chestnuts...
mathgrant
A very tilted cell member

 Posted: Fri Jan 25, 2002 3:32 am    Post subject: 9 e (13) That's the shortest one ever, if you exclude (8)
mole
Subterranean Member

Posted: Fri Jan 25, 2002 4:37 am    Post subject: 10

 Quote: What can you add to a container of water to make it weigh less?

Antimatter?
Sessie
Saucy Chica

 Posted: Fri Jan 25, 2002 5:32 am    Post subject: 11 I'm thinking a hole.
Bicho the Inhaler
Daedalian Member

 Posted: Fri Jan 25, 2002 5:37 am    Post subject: 12 A helium balloon would do the trick, but ronl's is somewhat more elegant.
Ghost Post
Icarian Member

 Posted: Fri Jan 25, 2002 3:37 pm    Post subject: 13 what came first, chicken or the egg?
Chuck
Daedalian Member

 Posted: Fri Jan 25, 2002 3:51 pm    Post subject: 14 If you're on the moon then putting a helium filled balloon on the container of water would make it heavier. If it's in an atmosphere dense enough to compress water then putting a hole in it would make it heavier. Neither of these answers can be right.
Logain
Stretch Armstrong

Posted: Fri Jan 25, 2002 4:11 pm    Post subject: 15

 Quote: If it's in an atmosphere dense enough to compress water then putting a hole in it would make it heavier.

Chuck, that's assuming you put the hole above the water level in the container and that it was also sealed and airtight when brought into the dense atmosphere.
ctrlaltdel
Member of the Daedalians

 Posted: Fri Jan 25, 2002 4:51 pm    Post subject: 16 concerning johnny4444's problem... this has been recently discussed at the annual pata-science conference, as usually held on the math/physics school of comenius university in bratislava, slovakia. i dont have the acces right now to the full text, reasonings and proofs, but here are some general answers: according to our findings, it is far more common to have eggs for breakfast than chicken. also, it is far more common to have chicken for lunch or supper than to have eggs. based on this factual argument it was decided that an egg came first. however, as it was pointed out, we run into some unexpected problems if we conclude that God created the world after breakfast. it is also important to note that 'chicken' is capable of producing 'egg' or however 'egg' is capable of producing 'nothing', 'chicken', or 'rooster' - even tho, only once. that is why it had to be before chicken, as with a chicken for starters we would never have any new chickens without a rooster. however, a proper egg, doesnt need anything but time and heat to produce 'chicken' or 'rooster'. since we now have both, we had to start with an egg. some difficulties were met when the question was restated as follows: what was first, egg or a chicken with a rooster?
ctrlaltdel
Member of the Daedalians

 Posted: Fri Jan 25, 2002 5:54 pm    Post subject: 17 since one-liners tend to be chestnuts, dont shoot me for these. anyhow, heres my collection a. when im trying to fail, but i succeed, did i fail or did i succeed? b. you have 6 matches to form 4 identical triangles (no breaking). c. align 10 elements into 5 lines per 4 elements. d. prove that every year there will be friday the 13th at least once. e. prove that 0.99999... = 1 d. disect a cube to form six tetrahedrons of same volume. f. prove that there are two people with the exact same number of hairs in london. g. how do you cut a pie into 7 equal parts? h. how do you cut a pie into 8 parts using 3 cuts? i. arrange eight matches to create 2 squares and 4 triangles. j. divide a match into 2 equal parts along its long edge without the use of any cutting tool. k. what is the biggest square you can inscribe in a cube of edge a = 1?
Ghost Post
Icarian Member

 Posted: Fri Jan 25, 2002 7:19 pm    Post subject: 18 e. NOOOOOOOONNOOOOOOOOOOOONOOO, hhhhh, NNNNNNNOOOOOOOOOOOOOOOOO
JDTAY
obseletes now

 Posted: Fri Jan 25, 2002 9:27 pm    Post subject: 19 c. That is actually Grey Labyrinth puzzle #42. http://www.greylabyrinth.com/Puzzles/puzzle042.htm
ctrlaltdel
Member of the Daedalians

 Posted: Fri Jan 25, 2002 10:34 pm    Post subject: 20 ooops sorry folks, i didnt check all of the past puzzles on GL... thnx for the pointer jdtay oh, and johnny4444, that really can hardly be considered a proof...
stoatboy
Daedalian Member

 Posted: Sat Jan 26, 2002 1:29 am    Post subject: 21 h. I know how to do a cake in 8 parts with 3 cuts, but a pie seems more problematic. Most pies are served in pans, making any cross-cutting impossible, and besides the third cut would make the filling spill out...
Chuck
Daedalian Member

 Posted: Sat Jan 26, 2002 1:35 am    Post subject: 22 It doesn't say they have to be straight cuts.
Jen Aside
Daedalian Member

 Posted: Sat Jan 26, 2002 1:57 am    Post subject: 23 What TIME is it when 8 kids share a cake? \:' Pie: 1. Cut pie in half. 2. Cut halves into fourths. 3. Stack fourths and cut straight through to make eighths.
Jen Aside
Daedalian Member

 Posted: Sat Jan 26, 2002 2:03 am    Post subject: 24 And I always thought the dinosaur came before the chicken, thus the dinosaur EGG came before the chicken. Two people in London have the same number of hairs on their head: Assuming no one in the world (much less, London) has more than 500,000 hairs on one's head, there are well more than 500,000 people in London--thus at least two of them have to have the same number of hairs.
VinnyQ
Vi Ni Kiu

 Posted: Sat Jan 26, 2002 2:04 am    Post subject: 25 The more you have it, The less you see it. What is it? (Unsolved, posted by Kevin October 03, 2001 at 18:47:54)
Suspence
Daedalian Member

 Posted: Sat Jan 26, 2002 2:09 am    Post subject: 26 There must be at least 2 bald guys in London...
Jen Aside
Daedalian Member

 Posted: Sat Jan 26, 2002 9:18 am    Post subject: 27 Faults?
ctrlaltdel
Member of the Daedalians

 Posted: Sat Jan 26, 2002 10:18 am    Post subject: 28 i dont know about two bald londoners, but theres a simple enough proof of the original statement... jen got the proof i was thinking of... and by the same reasoning if max hair number is 500,000 then it follows that there must be a few more people with the same number of hairs... idk how many citizens londons got? hmm, yeah, the filling would spill out... how about freezing it first? again, jens stacking works best - it creates same pieces... [This message has been edited by ctrlaltdel (edited 01-26-2002 05:56 AM).]
Marvin
Pseudo-Yank

 Posted: Sat Jan 26, 2002 5:58 pm    Post subject: 29 What time is it? A quarter to two?
Milt
Daedalian Member

 Posted: Sun Jan 27, 2002 6:05 am    Post subject: 30 Marvin, that's what I thought. Does anyone remember an addition to ctrlaltdel's c? Something about a king and a fortress.
Jen Aside
Daedalian Member

 Posted: Sun Jan 27, 2002 7:50 am    Post subject: 31
Jen Aside
Daedalian Member

 Posted: Sun Jan 27, 2002 7:53 am    Post subject: 32 Chestnut warning "England, Ireland, Scotland, Wales, Rats, pigs, and wiggle-tails." Spell that using four letters.
quercitron
Don't trust Robinson

 Posted: Mon Jan 28, 2002 12:13 am    Post subject: 33 I can answer that...
impossibleroot
Hi-Keeba!

 Posted: Mon Jan 28, 2002 12:22 am    Post subject: 34 But that's the solution.
The Cheshire Man
Not a pussycat

 Posted: Mon Jan 28, 2002 2:06 am    Post subject: 35 You mean T-H-A-T? ------------------ Now you see me, now you don't... but keep smiling!
Jen Aside
Daedalian Member

 Posted: Mon Jan 28, 2002 3:24 am    Post subject: 36 Twice four and twenty blackbirds A-sitting in the rain; I shot and killed a seventh part-- How many did remain?
Jen Aside
Daedalian Member

 Posted: Mon Jan 28, 2002 3:34 am    Post subject: 37 Oh, one more: (you'd think as an art major I could do better, but noooooo)
JEK595
Just a Wandering Enigma

 Posted: Mon Jan 28, 2002 4:31 am    Post subject: 38 One bird fell dead and the others flew away after hearing the gun shot. Heard that one in 4th grade. Here's mine: 1. Arrange nine matchsticks into seven equilateral triangles. 2. If my brother was twice as old as me three years ago and will be 5/3 my age in a time equal to 1/6.5 of my life, how old am I? (Hey, it's just a long one line.) ------------------ -grace the mind with puzzles, games, and tapioca.- -If at first you don't succeed, try, try again. (Not suitable for skydivers.)
JEK595
Just a Wandering Enigma

 Posted: Mon Jan 28, 2002 4:34 am    Post subject: 39 To answer your question, yes, we do know one or two one-liners. ------------------ -grace the mind with puzzles, games, and tapioca.- -If at first you don't succeed, try, try again. (Not suitable for skydivers.)
Jen Aside
Daedalian Member

 Posted: Mon Jan 28, 2002 8:07 am    Post subject: 40 One bird? No...
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