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mdc32
  • Member for 9 years, 3 months
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7 votes
6 answers
3k views

Crack the Code #1

7 votes
4 answers
4k views

Crack the Code #2

5 votes
3 answers
1k views

Crack the Code #3

5 votes
3 answers
7k views

The Money Puzzle: Maximum amount of change without a dollar

4 votes
3 answers
3k views

Crack the Code #4

4 votes
3 answers
2k views

A Drawer of Socks

3 votes
2 answers
786 views

Two Armies of Ants