User Florian F

114 votes

3 answers

11k views

Prove that π > 3

asked Aug 27, 2021 at 21:56

40 votes

6 answers

2k views

Packing pentominoes in a circle

asked Aug 27, 2022 at 21:16

38 votes

8 answers

4k views

The Bee Lover's Hotel

asked Oct 25, 2022 at 22:03

35 votes

3 answers

1k views

The maze one should not enter

asked May 31, 2021 at 21:49

35 votes

1 answer

3k views

Cut the disk with a hole in four equal pieces

asked Nov 12, 2014 at 22:47

27 votes

5 answers

2k views

Pythagorean quilts

asked Jul 1, 2020 at 20:13

20 votes

1 answer

2k views

A 1-D labyrinth

asked Sep 3, 2022 at 22:10

18 votes

3 answers

1k views

Sums in a (very small) box

asked Sep 7 at 12:07

17 votes

2 answers

896 views

Santa Claus flies to the South Pole

asked Sep 14, 2014 at 15:54

17 votes

1 answer

433 views

Sharing a field among 4 sons

asked Aug 18, 2020 at 22:49

16 votes

4 answers

1k views

February 2017 golf

asked Feb 17, 2017 at 16:01

16 votes

1 answer

949 views

Reconstruct the lost labyrinth of Knossos

asked Sep 8, 2022 at 22:13

15 votes

1 answer

687 views

All distances different on a chess board

asked Nov 19, 2021 at 19:46

15 votes

1 answer

335 views

Renegade, epitasis, and then what?

asked Sep 26, 2020 at 22:29

15 votes

1 answer

720 views

Arrange ten pawns into ten lines of three

asked Jul 18, 2020 at 15:23

12 votes

2 answers

766 views

Descramble the scrambled text

asked Dec 20, 2014 at 17:56

12 votes

2 answers

655 views

Yet another sequence with letters and a question mark

asked Sep 1, 2022 at 21:09

12 votes

1 answer

284 views

Please help me fix my intestine

asked Jul 2, 2022 at 10:04

11 votes

2 answers

635 views

The alien quantum-tunnelling hyperking labyrinth escape

asked Jun 17, 2022 at 23:05

11 votes

1 answer

386 views

Pythagorean triangle dissection

asked Sep 17, 2021 at 22:43

11 votes

5 answers

2k views

Sorting cards using max 3 stacks

asked Oct 11, 2014 at 21:27

10 votes

1 answer

535 views

Knight of the Isles

asked Oct 12, 2022 at 19:12

9 votes

1 answer

184 views

Black-hat/white-hat logicians with a bell and a meal

asked Jul 17, 2020 at 22:11

8 votes

1 answer

225 views

13 scales and a ... fake scale

asked Jul 7, 2022 at 22:26

8 votes

13 answers

4k views

Yet another matchstick puzzle: 14 = 5 [closed]

asked Feb 12, 2022 at 12:31

7 votes

3 answers

357 views

How many stickers can a Rubik's Cube lose?

asked Mar 25, 2022 at 20:48

7 votes

1 answer

240 views

How do you go from 2021 to 2022?

asked Dec 28, 2021 at 0:16

7 votes

2 answers

447 views

?!...,?..,!.,?...,..,?..,...,..,!,.!,!.,,?.!,...,..,..,.,.?,!

asked Nov 26, 2022 at 12:04

6 votes

2 answers

350 views

A place on Earth, a visual association puzzle

asked Jun 4, 2022 at 22:07

6 votes

1 answer

137 views

Palindrome from the first 16 roman numbers

asked Mar 22, 2022 at 21:41

Stack Exchange Network

39 Questions

Prove that π > 3

Packing pentominoes in a circle

The Bee Lover's Hotel

The maze one should not enter

Cut the disk with a hole in four equal pieces

Pythagorean quilts

A 1-D labyrinth

Sums in a (very small) box

Santa Claus flies to the South Pole

Sharing a field among 4 sons

February 2017 golf

Reconstruct the lost labyrinth of Knossos

All distances different on a chess board

Renegade, epitasis, and then what?

Arrange ten pawns into ten lines of three

Descramble the scrambled text

Yet another sequence with letters and a question mark

Please help me fix my intestine

The alien quantum-tunnelling hyperking labyrinth escape

Pythagorean triangle dissection

Sorting cards using max 3 stacks

Knight of the Isles

Black-hat/white-hat logicians with a bell and a meal

13 scales and a ... fake scale

Yet another matchstick puzzle: 14 = 5 [closed]

How many stickers can a Rubik's Cube lose?

How do you go from 2021 to 2022?

?!...,?..,!.,?...,..,?..,...,..,!,.!,!.,,?.!,...,..,..,.,.?,!

A place on Earth, a visual association puzzle

Palindrome from the first 16 roman numbers