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Numberknot's user avatar
Numberknot's user avatar
Numberknot
  • Member for 9 years, 9 months
  • Last seen more than 1 year ago
37 votes
12 answers
54k views

if you have one, you have none [closed]

33 votes
3 answers
5k views

The ping pong puzzle

28 votes
4 answers
10k views

How do I arrange pencils so they all touch each other?

14 votes
5 answers
12k views

How many paths are there through a chess board? [closed]

13 votes
8 answers
3k views

The Dot-town suicide

11 votes
8 answers
1k views

A puzzle from outer space

8 votes
3 answers
6k views

Mensa IQ test question - shapes in a 4x3 grid

7 votes
4 answers
1k views

Nine identical spheres fit exactly into a cube

5 votes
1 answer
576 views

A Beautiful Looking Puzzle

2 votes
7 answers
900 views

I go round and round [closed]

2 votes
0 answers
78 views

3 Horses out of 25 Horses [duplicate]

1 vote
2 answers
1k views

Can you solve this?

0 votes
1 answer
184 views

A play with sequence

0 votes
4 answers
496 views

When I was brushing my teeth

-5 votes
2 answers
186 views

mensateaser [level 0] (part 1)