Skip to main content
Tour
About Us
Meta
current community
Stack Exchange
chat
Meta Stack Exchange
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Log in
Stack Exchange
All Sites
Top 400 Users
Digests
Florian F
Geneva, Switzerland
Professional programmer, hobby puzzler.
top
accounts
reputation
activity
subscriptions
Top Questions
118
votes
Prove that π > 3
mathematics
geometry
optimization
dissection
asked Aug 27, 2021 at 21:56
puzzling.stackexchange.com
40
votes
Packing pentominoes in a circle
optimization
polyomino
packing
asked Aug 27, 2022 at 21:16
puzzling.stackexchange.com
38
votes
The Bee Lover's Hotel
story
optimization
asked Oct 25, 2022 at 22:03
puzzling.stackexchange.com
38
votes
Pythagorean pentagons
mathematics
optimization
dissection
asked Feb 19 at 22:05
puzzling.stackexchange.com
36
votes
Cut the disk with a hole in four equal pieces
math
geometry
dissection
asked Nov 12, 2014 at 22:47
puzzling.stackexchange.com
35
votes
The maze one should not enter
cipher
mazes
asked May 31, 2021 at 21:49
puzzling.stackexchange.com
28
votes
Pythagorean quilts
geometry
dissection
asked Jul 1, 2020 at 20:13
puzzling.stackexchange.com
20
votes
A 1-D labyrinth
story
mazes
asked Sep 3, 2022 at 22:10
puzzling.stackexchange.com
19
votes
Where is this bridge, what is this city?
europe
locate-this
asked Apr 26, 2020 at 13:49
travel.stackexchange.com
18
votes
Sums in a (very small) box
lateral-thinking
calculation-puzzle
grid-deduction
asked Sep 7, 2023 at 12:07
puzzling.stackexchange.com
1
2
3
4
5
next
Top Answers
77
How many cars does the millionaire have?
puzzling.stackexchange.com
49
Google Analytics 4 (GA4) upgrade
meta.stackexchange.com
41
Game of Drones - Zap it!
puzzling.stackexchange.com
41
Two doors with two guards - one lies, one tells the truth
puzzling.stackexchange.com
39
In what field does π²=2?
puzzling.stackexchange.com
38
Single Colour Mastermind Problem
puzzling.stackexchange.com
33
Cutting a cake into 8 pieces
puzzling.stackexchange.com
29
Continue the Pattern of Circles
puzzling.stackexchange.com
29
10 digit number where first n digits are divisible by n
puzzling.stackexchange.com
28
A pentagon that can measure the first 7 integer distances
puzzling.stackexchange.com
25
Ernie's automatic parking valet
puzzling.stackexchange.com
24
Pythagorean pentagons
puzzling.stackexchange.com
24
Efficient Mowing at PSE
puzzling.stackexchange.com
24
Hungry lions and a goat
puzzling.stackexchange.com
23
Twenty-four trees in eighteen rows of four
puzzling.stackexchange.com
23
Flip a Fair Coin
puzzling.stackexchange.com
23
How can this fractal shape perfectly cover a certain platonic solid?
puzzling.stackexchange.com
22
You are at a crossroads with five roads leading away from it
puzzling.stackexchange.com
21
Two prisoners and twenty marbles
puzzling.stackexchange.com
21
Nifty Nines Impossibility Puzzle
puzzling.stackexchange.com
20
You have one question to tell whether the number I'm thinking of is 1, 2, or 3
puzzling.stackexchange.com
20
Doctor's Dilemma
puzzling.stackexchange.com
19
Ernie and the Alchemist's Gift
puzzling.stackexchange.com
19
An overcomplicated Boat Puzzle
puzzling.stackexchange.com
19
A line not intersecting points in the plane
puzzling.stackexchange.com
18
Blue. Orange. Green. Magenta. What does this strange picture represent?
puzzling.stackexchange.com
18
How do inverted objects work in Tenet?
movies.stackexchange.com
16
Infinite Sequence based on Simple Rule
puzzling.stackexchange.com
16
Pythagorean quilts
puzzling.stackexchange.com
16
Will you be the first to get free?
puzzling.stackexchange.com
1
2
3
4
5
…
7
next
puzzling.stackexchange.com
travel.stackexchange.com
meta.stackexchange.com
movies.stackexchange.com