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Active Hot Week Month
7 votes
4 answers
502 views

The Emperor’s Magic Trick: The Omnipotent Compass

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Dmitry Kamenetsky
  • 41k
3 votes
1 answer
32 views

Can you make a rectangle with exactly six tangram pieces?

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Pranay
  • 30.1k
4 votes
1 answer
120 views

Two people from different countries using different currencies...

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th nika
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3 votes
1 answer
112 views

Can you make a square with exactly six tangram pieces?

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Pranay
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2 votes
1 answer
865 views

Sequence of shapes with lines and dot

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CommunityBot
  • 1
12 votes
9 answers
16k views

Turn the dials until each of the 12 columns add up to 42

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bobble♦
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16 votes
7 answers
1k views

Prove that at least one of the cars can drive around the track by taking gas from other cars on its way.

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FirstName LastName
  • 3,650
9 votes
2 answers
452 views

Can you decipher a new Indo-European language?

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TungTungTungS4hur
  • 313
7 votes
0 answers
196 views

Talking points of the puzzle

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chandanr777
  • 7,610
16 votes
1 answer
453 views

Find all 8-digit numbers in which there is 1 digit between the 1s, 2 digits between the 2s, 3 digits between the 3s, and 4 digits between the 4s.

Pranay's user avatar
Pranay
  • 30.1k
24 votes
4 answers
3k views

The 8-dimensional vegetable kebab

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justhalf
  • 7,050
5 votes
1 answer
193 views

Height of a corner of a partially folded sheet of paper - take 2

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AxiomaticSystem
  • 21.9k
2 votes
1 answer
339 views

What is the maximum number of chairs that can be occupied simultaneously?

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Pranay
  • 30.1k
11 votes
3 answers
867 views

Approximately pi

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Chris Sunami
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