Hottest Questions This Month

91

votes

1

answer

6k

views

How can this shape perfectly cover a cube?

modified Jun 14 at 17:08 plasticinsect 919

15

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7

answers

9k

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Make 24 using exactly three 3s

formation-of-numbers arithmetic

modified Jun 6 at 3:58 user60673 12

23

votes

8

answers

5k

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As easy as Three, Two, One… How fast can you go from Five to Four?

word wordplay letters word-ladder

modified Jun 12 at 16:17 João Bravo 469

33

votes

9

answers

4k

views

Winning Strategy for the Magician and his Apprentice

mathematics logical-deduction combinatorics

modified Jun 5 at 18:09 Kevin 1,029

32

votes

6

answers

6k

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Why is this Simple Puzzle impossible to solve?

mathematics visual

modified 17 hours ago AxiomaticSystem 11

11

votes

8

answers

5k

views

Infinitely many hats

hat-guessing

answered May 30 at 8:34 Avik Shakhari 1

18

votes

5

answers

4k

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Can you open the door or die? v2

logical-deduction strategy

modified Jun 13 at 13:21 Rycochet 211

43

votes

2

answers

3k

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Can White Castle?

chess retrograde-analysis

modified yesterday greenturtle3141 6,441

37

votes

2

answers

4k

views

Pirate democracy at its finest

strategy combinatorics

modified May 24 at 19:08 Dark Thunder 1,067

11

votes

4

answers

3k

views

Use 1 9 6 2 in this order to make 75

mathematics calculation-puzzle no-computers formation-of-numbers

modified yesterday Omega Krypton 8,545

11

votes

5

answers

4k

views

Fastest way from 8 to 7

word wordplay letters word-ladder

modified yesterday Omega Krypton 8,545

5

votes

4

answers

3k

views

Fastest way from 10 to 1 with everyone in between

word wordplay letters word-ladder

modified yesterday Omega Krypton 8,545

5

votes

4

answers

4k

views

You have (3^2 + 2^3 + 2^2) Guesses Left. Figure out the Last one

pattern no-computers letter-sequence

modified Jun 5 at 15:27 Glorfindel 16.8k

9

votes

3

answers

4k

views

Too early in the morning to have SODA?

mathematics logical-deduction calculation-puzzle no-computers alphametic

modified yesterday Omega Krypton 8,545

13

votes

4

answers

2k

views

Leveling up and Getting Items!

strategy optimization

modified Jun 14 at 16:23 shoopi 572

26

votes

1

answer

2k

views

This riddle is not to see but to solve

riddle word

modified Jun 5 at 8:47 Tom 39.2k

13

votes

3

answers

2k

views

Restoring order in a deck of playing cards (I)

mathematics combinatorics computer-puzzle

modified May 30 at 13:43 Bernardo Recamán Santos 3,037

15

votes

4

answers

803

views

Gladys goes shopping

knowledge visual geography crosswords

modified May 27 at 6:09 jafe 30.7k

17

votes

4

answers

1k

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Rebus with 20 song titles

wordplay visual rebus language music

modified Jun 5 at 16:23 msouth 101

17

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3

answers

1k

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Where Mongol herds graze

knowledge rhyme language geography

modified Jun 4 at 14:22 Evargalo 3,315

8

votes

3

answers

1k

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Unconventional Opposites

word english

modified May 30 at 13:58 Gareth McCaughan♦ 74.7k

28

votes

1

answer

2k

views

Déjà vu, again?

word wordplay

modified Jun 5 at 13:31 SlowMagic 1,531

22

votes

4

answers

2k

views

Savage Road Signs

mathematics combinatorics

modified Jun 11 at 11:30 Naresh Teli 11

9

votes

8

answers

949

views

Find this cartoon

knowledge visual

modified May 26 at 2:22 athin 11.4k

15

votes

2

answers

3k

views

Grandpa has another non math question

lateral-thinking

answered Jun 10 at 7:26 Michael 69

12

votes

3

answers

1k

views

Crossword gone overboard

knowledge no-computers chess geography crosswords

modified May 28 at 11:46 jafe 30.7k

13

votes

7

answers

502

views

10 coins, 3 of them are fake

mathematics strategy combinatorics weighing

modified yesterday user3294068 5,869

12

votes

3

answers

1k

views

Catching a robber on one line

mathematics

answered Jun 14 at 22:42 Philip Rego 11

10

votes

4

answers

2k

views

Can you open the door or die?

logical-deduction strategy optimization

answered Jun 12 at 20:38 atousi 1

20

votes

2

answers

1k

views

Setting up the trap

word knowledge wordplay language

modified yesterday Omega Krypton 8,545

15

votes

3

answers

492

views

A Salute to Poetry

riddle knowledge cipher steganography anagram

modified Jun 14 at 10:43 Rand al'Thor 73.7k

11

votes

1

answer

2k

views

A married couple

cipher

modified May 23 at 10:25 Paul Karam 1,283

12

votes

4

answers

847

views

Find the three digit Prime number P from the given unusual relationships

mathematics no-computers

modified May 26 at 2:47 Omega Krypton 8,545

24

votes

2

answers

448

views

The mysterious operation $\oplus$

mathematics formation-of-numbers

modified May 30 at 10:09 JonMark Perry 22.6k

9

votes

2

answers

1k

views

Create a cube from identical 3D objects

geometry three-dimensional

modified Jun 11 at 11:25 John Smith 1

15

votes

2

answers

633

views

The Amazing Sliding Crossword

no-computers crosswords mechanical-puzzles sliding-blocks

modified Jun 16 at 22:28 Deusovi♦ 67.3k

19

votes

4

answers

510

views

Baby don't hurt me no more

knowledge cipher password

modified Jun 13 at 11:57 Gareth McCaughan♦ 74.7k

4

votes

2

answers

1k

views

A king was born in a year that was a perfect square, lived a perfect square number of years, and also died in a year that was a perfect square

number-theory

modified Jun 6 at 16:35 a stone arachnid 171

14

votes

1

answer

1k

views

Professor Roman loves to teach unorthodox Chemistry

word chemistry

answered Jun 10 at 11:25 Tom 39.2k

5

votes

4

answers

852

views

Why did this prime-sequence puzzle not work?

mathematics puzzle-creation number-theory

modified May 27 at 13:24 Jaap Scherphuis 17.7k

18

votes

2

answers

622

views

More important than the destination

knowledge enigmatic-puzzle pattern geography metapuzzles

answered Jun 5 at 6:29 Deusovi♦ 67.3k

9

votes

3

answers

796

views

Traversing Oceania: A Cryptic Journey

knowledge geography cryptic-clues

modified Jun 6 at 18:52 hexomino 53.6k

19

votes

2

answers

2k

views

Diet Coke or water?

mathematics

modified Jun 1 at 9:03 Glorfindel 16.8k

14

votes

1

answer

1k

views

Can you cover a cube with copies of this shape?

geometry three-dimensional paper-folding

answered Jun 14 at 7:24 Deusovi♦ 67.3k

14

votes

4

answers

535

views

Racetrack designers, assemble!

game-theory construction

modified Jun 13 at 12:17 jafe 30.7k

7

votes

3

answers

1k

views

…And they were stumped for a long time

knowledge geography crosswords

modified May 21 at 12:01 jafe 30.7k

12

votes

3

answers

572

views

Drums and punctuation

wordplay pattern geography crossword-clues

modified May 30 at 2:59 Rubio♦ 32.2k

16

votes

1

answer

830

views

The Frozen Wastes

riddle word wordplay

modified Jun 7 at 21:14 Rubio♦ 32.2k

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