User Gamow

16

59

votes

5

answers

9k

views

How to beat Count Dracula

strategy game

Oct 14 '15 at 19:51 Community♦ 1

13

49

votes

4

answers

5k

views

The lion and the zebras

Dec 15 '16 at 2:51 Dan Eff 1

12

47

votes

5

answers

6k

views

A man possesses a large quantity of stamps

mathematics combinatorics frobenius puzzle-history

Mar 18 '16 at 15:56 Gamow 44.1k

4

40

votes

1

answer

5k

views

The Non-Pythagorean Theorem

mathematics geometry

Feb 9 '16 at 14:21 Nautilus 4,928

9

37

votes

6

answers

3k

views

The subtraction game

mathematics strategy game

Mar 12 '15 at 12:24 Community♦ 1

10

36

votes

9

answers

4k

views

Filling an 11-by-11 square

mathematics combinatorics

Jan 22 '16 at 0:29 Mike Earnest 30.3k

12

35

votes

12

answers

9k

views

Ten girls around a table

mathematics no-computers

Jul 18 at 22:26 Florian F 14.4k

5

33

votes

1

answer

2k

views

Professor Halfbrain and the sum of the digits of all divisors

mathematics number-sequence number-theory reachability

May 25 '16 at 22:15 hexomino 109k

8

33

votes

9

answers

4k

views

Thirty genuine and seventy fake coins

mathematics strategy weighing

Sep 28 '15 at 15:35 GentlePurpleRain♦ 23.5k

5

32

votes

4

answers

2k

views

The Devil's Brother

mathematics strategy game

Oct 28 '15 at 14:45 Gamow 44.1k

3

30

votes

3

answers

4k

views

A lonely pawn on the chessboard

mathematics strategy probability game checkerboard

Nov 3 at 13:36 Brian Drake 103

4

28

votes

1

answer

3k

views

The largest Monday number

mathematics number-theory

Sep 28 '15 at 8:52 Fimpellizieri 2,462

2

27

votes

9

answers

2k

views

Winnie-the-Pooh and the 27 honey pots

mathematics strategy

Mar 13 '17 at 23:04 Community♦ 1

1

26

votes

1

answer

1k

views

Careless smokers

mathematics geometry dissection

Sep 20 '15 at 2:48 Jamie 101

3

25

votes

2

answers

4k

views

Two chessmasters at work

mathematics combinatorics

Aug 1 '17 at 13:25 Rand al'Thor 109k

3

25

votes

10

answers

3k

views

Thirteen politicians

mathematics logical-deduction

Mar 10 '16 at 8:57 Gamow 44.1k

4

24

votes

4

answers

12k

views

The largest integer made of 1,2,3,4

mathematics calculation-puzzle formation-of-numbers

Mar 5 '19 at 14:38 JBSregath 551

6

23

votes

3

answers

2k

views

Gambling in a rigged casino

mathematics strategy probability dice

Oct 4 '15 at 16:11 Gamow 44.1k

7

23

votes

2

answers

2k

views

Rook game on chessboard

strategy chess game

Feb 7 '15 at 15:42 Gamow 44.1k

6

22

votes

6

answers

2k

views

A game with 52 cards

mathematics strategy combinatorics game

Apr 5 '19 at 7:41 noedne 12.1k

3

21

votes

1

answer

660

views

A table filled with greatest common divisors

mathematics number-theory

May 12 '16 at 12:14 2012rcampion 13.5k

4

21

votes

2

answers

892

views

The year 2016 is approaching

mathematics number-theory seasonal algebra

Mar 21 '16 at 9:42 Community♦ 1

2

20

votes

1

answer

2k

views

A game with 330 pebbles

mathematics strategy combinatorics game

Apr 6 '16 at 11:17 manshu 6,164

8

20

votes

5

answers

928

views

Professor Halfbrain and the powers of 2016

mathematics number-theory

Mar 22 '16 at 4:07 Community♦ 1

4

20

votes

4

answers

1k

views

The frog concerto

mathematics combinatorics

Mar 16 '16 at 23:11 Paul Sinclair 1,208

20

votes

3

answers

1k

views

The mysterious card in the middle

mathematics logical-deduction

Dec 4 '15 at 7:36 Community♦ 1

3

19

votes

3

answers

3k

views

School where every pair of students share a common grandfather

mathematics graph-theory

Mar 24 '16 at 12:20 Gamow 44.1k

2

19

votes

1

answer

451

views

Filling a 13-by-13 square

mathematics combinatorics

Dec 20 '15 at 16:56 DrunkWolf 2,370

2

19

votes

2

answers

2k

views

“Legally” filling a 10x10 table with 10 of each digit

mathematics combinatorics

Mar 24 '15 at 0:10 Community♦ 1

1

18

votes

2

answers

2k

views

Professor Halfbrain and the fantasy knight

mathematics combinatorics graph-theory

Jan 29 at 15:37 bobble 6,972

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197 Questions

How to beat Count Dracula

The lion and the zebras

A man possesses a large quantity of stamps

The Non-Pythagorean Theorem

The subtraction game

Filling an 11-by-11 square

Ten girls around a table

Professor Halfbrain and the sum of the digits of all divisors

Thirty genuine and seventy fake coins

The Devil's Brother

A lonely pawn on the chessboard

The largest Monday number

Winnie-the-Pooh and the 27 honey pots

Careless smokers

Two chessmasters at work

Thirteen politicians

The largest integer made of 1,2,3,4

Gambling in a rigged casino

Rook game on chessboard

A game with 52 cards

A table filled with greatest common divisors

The year 2016 is approaching

A game with 330 pebbles

Professor Halfbrain and the powers of 2016

The frog concerto

The mysterious card in the middle

School where every pair of students share a common grandfather

Filling a 13-by-13 square

“Legally” filling a 10x10 table with 10 of each digit

Professor Halfbrain and the fantasy knight