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Puzzling

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Awarded 8307 times.
How do you get 5 by using the numbers 2, 2, 3 and 5?
Awarded Nov 22 at 7:43
Joining Numbers Together [closed]
Awarded Nov 19 at 13:06
prisoners riddle - a button, a light and a timer
Awarded Nov 18 at 14:53
How many gloves do we need to randomly select to ensure each octopus will have 8 different colored gloves?
Awarded Nov 17 at 19:51
Do solutions exist for 3D tiling with Pentaminos/Pentacubes?
Awarded Nov 11 at 23:57
(post deleted or otherwise unavailable)
Awarded Nov 8 at 8:32
(post deleted or otherwise unavailable)
Awarded Nov 7 at 19:52
Sum of a sequence
Awarded Nov 7 at 11:42
I have an eye - but not a Cyclops...
Awarded Oct 30 at 2:20
(post deleted or otherwise unavailable)
Awarded Oct 29 at 15:44
Explain part of solution to "The Big Cube and Squares Puzzle"
Awarded Oct 29 at 8:06
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Awarded Oct 26 at 19:47
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Awarded Oct 20 at 23:42
How do you get past the bouncer?
Awarded Oct 19 at 23:54
Bathroom Hijinks at the Abolitionist's Field
Awarded Oct 18 at 18:18
(post deleted or otherwise unavailable)
Awarded Oct 17 at 17:33
How many trails from A to C?
Awarded Oct 17 at 15:55
(post deleted or otherwise unavailable)
Awarded Oct 14 at 1:27
Touch that thing to keep me at rest or perish
Awarded Oct 10 at 11:34
Yin-Yang puzzle [closed]
Awarded Oct 9 at 15:07
Sequence of triangular matrices with dots in them
Awarded Oct 9 at 5:45
(post deleted or otherwise unavailable)
Awarded Oct 8 at 10:43
Memorizing Three-digit Primes
Awarded Oct 6 at 17:31
Reverse-Engineering an Incomplete Information Logic Puzzle
Awarded Oct 6 at 2:07
A self-referential logic puzzle (multiple-choice) [closed]
Awarded Oct 4 at 8:21
How to select P so that the angle APB is as large as possible?
Awarded Oct 4 at 2:58
White to move and mate in one against lots of Black Queens
Awarded Oct 2 at 3:28
Progressive matrix with blue bars, green dots, and yellow stars
Awarded Sep 30 at 21:23
Discussing strategy reduces winning chances of everyone!
Awarded Sep 29 at 0:02
The altitudes of the Regular Pentagon
Awarded Sep 27 at 15:09
(post deleted or otherwise unavailable)
Awarded Sep 25 at 1:21
a video-game loving pig hiding something
Awarded Sep 20 at 19:53
Maximum distance with 100 motorbikes carrying limited fuel and consuming 1L/km - Interview
Awarded Sep 20 at 9:25
Differences, distributions, and definitions
Awarded Sep 19 at 23:12
One letter, one name
Awarded Sep 18 at 7:19
9/16/25 operations challenge
Awarded Sep 17 at 21:06
Name the actor by clues
Awarded Sep 16 at 7:17
How to cut a tetrahedron in half using only a pencil and a knife?
Awarded Sep 15 at 0:31
Diamond-Shaped Light Out Game
Awarded Sep 12 at 5:30
Sequence of triangular matrices with dots in them
Awarded Sep 9 at 12:45
Next logical step in Towers puzzle ("Unreasonable")
Awarded Sep 6 at 22:27
A riddle with three doors and three guardians — one tells the truth, one always lies, and one alternates. Can you find the truth in just 2 questions? [duplicate]
Awarded Sep 6 at 12:12
Tiling a rectangle with heptominoes [duplicate]
Awarded Sep 4 at 15:20
How many possible different shapes are there on a 4x4 dot grid?
Awarded Sep 2 at 13:51
A puzzle about actors
Awarded Sep 1 at 2:42
(post deleted or otherwise unavailable)
Awarded Aug 25 at 6:57
Fewest cages for unique Killer Kropki-less Sudoku
Awarded Aug 23 at 10:19
How are the crosswords made for mass-produced puzzle books?
Awarded Aug 22 at 21:33
2 counterfeit out of 16 within 3 weighing
Awarded Aug 15 at 18:19
(post deleted or otherwise unavailable)
Awarded Aug 14 at 22:15
Our teacher posted in social media our homework question, but it was later deleted. Why?
Awarded Aug 13 at 11:02
(post deleted or otherwise unavailable)
Awarded Aug 12 at 7:25
(post deleted or otherwise unavailable)
Awarded Aug 11 at 18:36
Lock company wants to prevent unauthorized key duplicates
Awarded Aug 7 at 16:42
Can I succeed in appraising the candies according to my daughter’s preferences?
Awarded Aug 5 at 11:56
Two IQ test patterns
Awarded Jul 31 at 5:03
As Lightweighted As Beauty
Awarded Jul 29 at 20:01
origami: t2 unsolvable? cube net
Awarded Jul 29 at 8:17
origami: t2 unsolvable? cube net
Awarded Jul 24 at 20:19
rEAAlly good for you
Awarded Jul 23 at 20:06
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