close
Skip to main content

Explore our questions

7 votes
4 answers
502 views

The Emperor’s Magic Trick: The Omnipotent Compass

3 votes
1 answer
32 views

Can you make a rectangle with exactly six tangram pieces?

4 votes
1 answer
120 views

Two people from different countries using different currencies...

3 votes
1 answer
112 views

Can you make a square with exactly six tangram pieces?

2 votes
1 answer
865 views

Sequence of shapes with lines and dot

12 votes
9 answers
16k views

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

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.

9 votes
2 answers
452 views

Can you decipher a new Indo-European language?

7 votes
0 answers
196 views

Talking points of the puzzle

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.

24 votes
4 answers
3k views

The 8-dimensional vegetable kebab

5 votes
1 answer
193 views

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

2 votes
1 answer
339 views

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

11 votes
3 answers
867 views

Approximately pi

Browse more Questions