User Gamow

8

votes

3

answers

1k

views

The Erasmus chessboard theorem

May 20 '16 at 16:04 user21820 312

1

8

votes

2

answers

768

views

A matchstick game

mathematics strategy game matches

Mar 28 '16 at 0:18 ffao 21k

8

votes

4

answers

490

views

On the shores of circle lake

mathematics geometry

Mar 13 '16 at 15:30 Gamow 43.9k

1

8

votes

1

answer

281

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 22.9k

2

8

votes

1

answer

385

views

Cutting a 7-by-9 rectangle

mathematics geometry dissection tiling

Dec 19 '15 at 14:32 Community♦ 1

2

8

votes

2

answers

701

views

Professor Halfbrain and the next square

mathematics calculation-puzzle number-theory

Oct 23 '15 at 6:43 klm123 15.4k

3

8

votes

3

answers

843

views

The Erasmus dissection of a square

mathematics geometry dissection

Oct 4 '15 at 16:12 Gamow 43.9k

3

8

votes

2

answers

735

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

778

views

The mini-facebook puzzle

mathematics strategy combinatorics

Sep 23 '15 at 21:13 GentlePurpleRain♦ 23.1k

2

8

votes

2

answers

683

views

Dominoes on a chessboard

checkerboard tiling dominoes

Mar 23 '15 at 3:19 Peter LeFanu Lumsdaine 1,471

8

votes

5

answers

1k

views

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

mathematics strategy cards

Mar 16 '15 at 21:06 Community♦ 1

8

votes

1

answer

284

views

The Erasmus tedrahedron

geometry triangle

Feb 2 '15 at 10:46 xnor 22.4k

1

7

votes

4

answers

551

views

Removing green marbles from the table

mathematics strategy game nim

Feb 6 at 18:08 user3294068 7,245

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

573

views

Please make x and y and z

mathematics formation-of-numbers

Apr 2 '16 at 6:16 Community♦ 1

7

votes

2

answers

378

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 43.9k

1

7

votes

3

answers

491

views

Non-Pythagorean coins (Part 2)

mathematics combinatorics frobenius

Mar 7 '16 at 12:36 Community♦ 1

7

votes

1

answer

852

views

Heaps of marbles

mathematics strategy game

Mar 6 '16 at 15:08 Gamow 43.9k

4

7

votes

2

answers

647

views

2016 coins and a balance

mathematics strategy weighing

Feb 14 '16 at 15:12 Hugh Meyers 22.9k

7

votes

3

answers

1k

views

Ten thousand tiles

mathematics combinatorics

Feb 12 '16 at 15:48 Community♦ 1

7

votes

2

answers

193

views

Ranking soccer teams

mathematics strategy combinatorics

Jan 29 '16 at 17:27 hexomino 96.3k

1

7

votes

2

answers

366

views

A new stunt at the flea circus

mathematics combinatorics

Jan 3 '16 at 13:58 DrunkWolf 2,360

2

7

votes

1

answer

375

views

A big cube and 99 smaller cubes

mathematics geometry

Oct 21 '15 at 18:31 Deusovi♦ 106k

7

votes

3

answers

600

views

The Ebbozonian coin weighing puzzle

mathematics strategy weighing

Oct 16 '15 at 20:59 Joel Rondeau 6,421

7

votes

3

answers

1k

views

Karim Benzema's soccer puzzle

mathematics combinatorics sports

Oct 8 '15 at 13:45 JonTheMon 9,722

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

491

views

Guessing a number with 250 divisors

mathematics strategy game number-theory

Jul 2 '19 at 23:30 user3294068 7,245

3

6

votes

3

answers

738

views

Another Ebbozonian coin weighing puzzle

mathematics strategy weighing

Dec 9 '16 at 15:12 Community♦ 1

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197 Questions

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

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 Great Houdini's awesome card guessing trick (2)

The Erasmus tedrahedron

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)

Heaps of marbles

2016 coins and a balance

Ten thousand tiles

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