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Joe Z.

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73 Questions

Views Newest Activity Votes

votes

answers

views

N balls and a scale

May 18 '15 at 19:30 Community♦ 1

votes

answers

views

Tree-pruning game with the devil

mathematics logical-deduction strategy game

Apr 21 '15 at 18:14 Community♦ 1

votes

answer

749

views

Why are these numbers above the line?

mathematics pattern

Feb 25 '15 at 1:04 xnor 21.7k

votes

answer

518

views

What is God's Number for the Rubik's Picture Cube?

rubiks-cube mechanical-puzzles

Jan 25 '15 at 0:30 Christopher Mowla 326

votes

answers

views

The Magic Stick

calculation-puzzle

Jun 23 '14 at 21:37 Community♦ 1

votes

answers

views

A rope-cutting problem

lateral-thinking

Jun 6 '16 at 19:38 Xxoplechic 113

votes

answer

235

views

One, two, and three weeks from now

enigmatic-puzzle computer-puzzle

Sep 10 '15 at 3:55 Quark 6,007

votes

answer

467

views

Moving a pawn around on a chessboard

checkerboard

May 20 '14 at 22:57 Doorknob 4,035

votes

answers

views

A tricky batch of four number sequences

number-sequence

Dec 18 '18 at 15:42 Developer 31

votes

answers

653

views

Professor Halfbrain's infinite chessboard theorems

mathematics combinatorics checkerboard

Sep 9 '16 at 14:18 Community♦ 1

votes

answer

views

What is the position in chess with the longest string of moves before mate?

chess

Aug 6 '16 at 14:39 Community♦ 1

votes

answers

views

Only Connect - Connect Wall #1

pattern knowledge connect-wall

Aug 3 '16 at 7:31 f'' 31.8k

votes

answers

738

views

Can you figure out these Tom Swifties?

wordplay english

Jul 3 '16 at 19:00 Joe Z. 25.9k

votes

answers

428

views

A sequence defined by a single fraction

calculation-puzzle number-sequence

Jun 17 '16 at 16:53 Joe Z. 25.9k

votes

answers

views

Travellers across a desert

calculation-puzzle word-problem

Sep 19 '15 at 17:57 Community♦ 1

votes

answers

views

A crypto-sequence puzzle

cipher number-sequence

Jun 25 '15 at 14:32 Community♦ 1

votes

answers

474

views

Drawing lines on a map

mathematics geometry

Jul 3 '14 at 6:56 Logan M 871

votes

answers

977

views

A small pandigital equation

calculation-puzzle

Jun 18 '16 at 1:04 Deusovi♦ 84.8k

votes

answer

views

What is the area of the Pokémon Moon logo?

mathematics geometry

May 28 '16 at 17:14 Community♦ 1

votes

answer

638

views

Bottles of wine, poisoned with time

logical-deduction strategy word-problem

Mar 11 '16 at 3:56 Community♦ 1

votes

answer

438

views

A lot of these firms were never watched by me

wordplay movies

Oct 1 '15 at 10:46 Community♦ 1

votes

answer

668

views

What is the fewest number of clues on a rotationally symmetrical sudoku grid with a unique solution?

sudoku

Sep 13 '15 at 10:11 Community♦ 1

votes

answers

510

views

Driving from London to Paris to Berlin

lateral-thinking geography

Apr 29 '15 at 20:39 Joe Z. 25.9k

votes

answer

502

views

Arranging cards in rows

mathematics strategy

May 9 '18 at 14:41 Rand al'Thor 91.1k

votes

answer

669

views

Are there any sets of 9 numbers that can form two essentially distinct magic squares?

mathematics magic-square

Nov 2 '15 at 16:21 f'' 31.8k

votes

answers

544

views

Choosing units for drug testing

calculation-puzzle

Mar 2 '18 at 10:59 Ahmed Ashour 978

votes

answer

538

views

What is an Endless Phrase™?

pattern english

Nov 7 '16 at 23:46 Community♦ 1

votes

answers

811

views

How do people decide which words to use in crossword puzzles?

puzzle-creation crosswords

Apr 9 '16 at 11:51 Beastly Gerbil 31.4k

votes

answers

views

Fire in a crowded theatre

lateral-thinking situation history

Mar 23 '16 at 17:05 Gamow 43.2k

votes

answers

577

views

What's the largest number that can be obtained in the process of solving a numbers game on Countdown?

calculation-puzzle optimization formation-of-numbers

Nov 10 '17 at 13:07 pbeentje 994

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73 Questions

N balls and a scale

Tree-pruning game with the devil

Why are these numbers above the line?

What is God's Number for the Rubik's Picture Cube?

The Magic Stick

A rope-cutting problem

One, two, and three weeks from now

Moving a pawn around on a chessboard

A tricky batch of four number sequences

Professor Halfbrain's infinite chessboard theorems

What is the position in chess with the longest string of moves before mate?

Only Connect - Connect Wall #1

Can you figure out these Tom Swifties?

A sequence defined by a single fraction

Travellers across a desert

A crypto-sequence puzzle

Drawing lines on a map

A small pandigital equation

What is the area of the Pokémon Moon logo?

Bottles of wine, poisoned with time

A lot of these firms were never watched by me

What is the fewest number of clues on a rotationally symmetrical sudoku grid with a unique solution?

Driving from London to Paris to Berlin

Arranging cards in rows

Are there any sets of 9 numbers that can form two essentially distinct magic squares?

Choosing units for drug testing

What is an Endless Phrase™?

How do people decide which words to use in crossword puzzles?

Fire in a crowded theatre

What's the largest number that can be obtained in the process of solving a numbers game on Countdown?