User Gamow

1

8

votes

2

answers

695

views

Four dice puzzle: 2,2,4,5

Dec 30 '19 at 8:32 Gamow 44k

8

votes

3

answers

1k

views

The Erasmus chessboard theorem

mathematics combinatorics checkerboard

May 20 '16 at 16:04 user21820 427

2

8

votes

2

answers

785

views

A matchstick game

mathematics strategy game matches

Mar 28 '16 at 0:18 ffao 21.1k

8

votes

4

answers

492

views

On the shores of circle lake

mathematics geometry

Mar 13 '16 at 15:30 Gamow 44k

1

8

votes

1

answer

284

views

Four-by-four table with equal row and column products

mathematics combinatorics

Feb 27 '16 at 19:05 Tony Ruth 1,827

8

votes

3

answers

547

views

How to cut one hundred apples into pieces

mathematics

Feb 17 '16 at 10:44 Hugh Meyers 23.1k

8

votes

3

answers

1k

views

Ten thousand tiles

mathematics combinatorics

Feb 12 '16 at 15:48 Community♦ 1

2

8

votes

1

answer

387

views

Cutting a 7-by-9 rectangle

mathematics geometry dissection tiling

Dec 19 '15 at 14:32 Community♦ 1

2

8

votes

2

answers

721

views

Professor Halfbrain and the next square

mathematics calculation-puzzle number-theory

Oct 23 '15 at 6:43 klm123 15.6k

3

8

votes

3

answers

849

views

The Erasmus dissection of a square

mathematics geometry dissection

Oct 4 '15 at 16:12 Gamow 44k

3

8

votes

2

answers

738

views

A generalization of Tyler Seacrest's “Three voting prisoners” puzzle

mathematics strategy

Oct 2 '15 at 17:43 Community♦ 1

8

votes

2

answers

782

views

The mini-facebook puzzle

mathematics strategy combinatorics

Sep 23 '15 at 21:13 GentlePurpleRain♦ 23.5k

2

8

votes

2

answers

690

views

Dominoes on a chessboard

checkerboard tiling dominoes

Mar 23 '15 at 3:19 Peter LeFanu Lumsdaine 1,470

8

votes

1

answer

292

views

The Erasmus tedrahedron

geometry triangle

Feb 2 '15 at 10:46 xnor 23k

7

votes

5

answers

1k

views

The Great Houdini's awesome card guessing trick (2)

mathematics strategy cards

Oct 19 at 19:46 melfnt 4,262

1

7

votes

4

answers

560

views

Removing green marbles from the table

mathematics strategy game nim

Feb 6 '20 at 18:08 user3294068 7,295

7

votes

4

answers

2k

views

A truly amazing way of making every possible positive integer

mathematics calculation-puzzle formation-of-numbers

Mar 21 '17 at 2:45 Community♦ 1

1

7

votes

2

answers

575

views

Please make x and y and z

mathematics formation-of-numbers

Apr 2 '16 at 6:16 Community♦ 1

7

votes

2

answers

382

views

Four indeed is cosmic!

mathematics number-sequence reachability

Mar 22 '16 at 18:13 Community♦ 1

7

votes

5

answers

1k

views

A golden weight of 11111 gram

mathematics weighing number-theory

Mar 9 '16 at 9:12 Gamow 44k

1

7

votes

3

answers

492

views

Non-Pythagorean coins (Part 2)

mathematics combinatorics frobenius

Mar 7 '16 at 12:36 Community♦ 1

4

7

votes

2

answers

654

views

2016 coins and a balance

mathematics strategy weighing

Feb 14 '16 at 15:12 Hugh Meyers 23.1k

7

votes

2

answers

195

views

Ranking soccer teams

mathematics strategy combinatorics

Jan 29 '16 at 17:27 hexomino 105k

1

7

votes

2

answers

366

views

A new stunt at the flea circus

mathematics combinatorics

Jan 3 '16 at 13:58 DrunkWolf 2,370

2

7

votes

1

answer

379

views

A big cube and 99 smaller cubes

mathematics geometry

Oct 21 '15 at 18:31 Deusovi♦ 116k

7

votes

3

answers

605

views

The Ebbozonian coin weighing puzzle

mathematics strategy weighing

Oct 16 '15 at 20:59 Joel Rondeau 6,560

7

votes

3

answers

1k

views

Karim Benzema's soccer puzzle

mathematics combinatorics sports

Oct 8 '15 at 13:45 JonTheMon 9,732

1

7

votes

2

answers

1k

views

The Great Houdini's awesome card guessing trick (3)

mathematics strategy cards

Mar 18 '15 at 16:05 Community♦ 1

2

6

votes

3

answers

499

views

Guessing a number with 250 divisors

mathematics strategy game number-theory

Jul 2 '19 at 23:30 user3294068 7,295

3

6

votes

3

answers

743

views

Another Ebbozonian coin weighing puzzle

mathematics strategy weighing

Dec 9 '16 at 15:12 Community♦ 1

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197 Questions

Four dice puzzle: 2,2,4,5

The Erasmus chessboard theorem

A matchstick game

On the shores of circle lake

Four-by-four table with equal row and column products

How to cut one hundred apples into pieces

Ten thousand tiles

Cutting a 7-by-9 rectangle

Professor Halfbrain and the next square

The Erasmus dissection of a square

A generalization of Tyler Seacrest's “Three voting prisoners” puzzle

The mini-facebook puzzle

Dominoes on a chessboard

The Erasmus tedrahedron

The Great Houdini's awesome card guessing trick (2)

Removing green marbles from the table

A truly amazing way of making every possible positive integer

Please make x and y and z

Four indeed is cosmic!

A golden weight of 11111 gram

Non-Pythagorean coins (Part 2)

2016 coins and a balance

Ranking soccer teams

A new stunt at the flea circus

A big cube and 99 smaller cubes

The Ebbozonian coin weighing puzzle

Karim Benzema's soccer puzzle

The Great Houdini's awesome card guessing trick (3)

Guessing a number with 250 divisors

Another Ebbozonian coin weighing puzzle