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Joe Z.

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mathematics

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118 posts edited

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21 Bookmarks

Votes Activity Newest Views Added

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19k

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Why does the 4x4 Rubik's cube have parity cases, while the 3x3 does not?

Apr 16 '18 at 17:20 puzzledPig 3,461

votes

answers

12k

views

Coin Flipping Game with the Devil

logical-deduction strategy probability game

Nov 14 at 12:24 Hemant Agarwal 483

163

votes

answer

views

Chaos and Order: a visual puzzle in stained glass

mathematics geometry visual steganography enigmatic-puzzle

Feb 4 '15 at 18:51 Gamow 44k

votes

answers

views

How do you solve a word puzzle when you have no idea where to start?

logical-deduction word-problem

Nov 1 '14 at 15:06 Community♦ 1

votes

answers

views

Two spies throwing stones into a river

logical-deduction combinatorics optimization

Jul 26 '19 at 19:28 Community♦ 1

votes

answers

views

You stand in a forest… Where are you?

riddle enigmatic-puzzle mystery

Jul 3 '15 at 21:55 Riddler 591

votes

answers

views

Eight coins for the fair king

mathematics optimization money

Dec 28 '18 at 6:49 isaacg 2,839

votes

answers

views

Deciphering an Alien Signal

mathematics visual story outer-space audio

Mar 22 '17 at 18:15 Community♦ 1

votes

answers

views

Murder of the President - Part 1

mystery

Dec 15 '14 at 23:00 Rand al'Thor 108k

votes

answers

views

Ancient machine in the desert… how does it generate its output?

pattern lateral-thinking number-sequence

Apr 7 '15 at 17:04 Joe Z. 26.8k

votes

answers

views

Optimal play for 2 by 2 dots and boxes

game pencil-and-paper-games dots-and-boxes

Jul 8 '19 at 7:56 Jafe 61.4k

votes

answer

views

Murder of the President - Part 2

mystery

Dec 15 '14 at 23:00 Community♦ 1

votes

answers

views

Alternating Hat Colors

hat-guessing

Feb 28 '16 at 17:17 Mike Earnest 30.1k

votes

answers

views

Murder of the President - Part 4

riddle mystery

Dec 15 '14 at 23:01 Community♦ 1

votes

answers

views

An arithmetic puzzle from 1645

mathematics algebra puzzle-history

Mar 21 '16 at 14:02 Gamow 44k

votes

answers

views

Amelia Earhart Challenge

strategy

Dec 2 '16 at 13:50 kaine 8,874

votes

answers

views

Stranded Nomad Riddle

calculation-puzzle word-problem

Jul 4 '14 at 6:39 Community♦ 1

votes

answer

views

Murder of the President - Part 3

mystery

Dec 15 '14 at 23:01 Community♦ 1

votes

answers

views

The Wonderful Wanderfull Puzz

word rhyme wordplay

Jul 3 '15 at 10:09 Bailey M 16.7k

votes

answer

627

views

An Olympic Connecting Wall

pattern wordplay knowledge sports connect-wall

Aug 9 '16 at 16:00 Joe Z. 26.8k

votes

answer

392

views

Another Company of Thirteen

pattern word-property

Sep 18 '16 at 20:32 Community♦ 1

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21 Bookmarks

Why does the 4x4 Rubik's cube have parity cases, while the 3x3 does not?

Coin Flipping Game with the Devil

Chaos and Order: a visual puzzle in stained glass

How do you solve a word puzzle when you have no idea where to start?

Two spies throwing stones into a river

You stand in a forest… Where are you?

Eight coins for the fair king

Deciphering an Alien Signal

Murder of the President - Part 1

Ancient machine in the desert… how does it generate its output?

Optimal play for 2 by 2 dots and boxes

Murder of the President - Part 2

Alternating Hat Colors

Murder of the President - Part 4

An arithmetic puzzle from 1645

Amelia Earhart Challenge

Stranded Nomad Riddle

Murder of the President - Part 3

The Wonderful Wanderfull Puzz

An Olympic Connecting Wall

Another Company of Thirteen