Categories
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(first | last) View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)- Liar puzzles (10 members)
- Logic (11 members)
- Logic puzzles (23 members)
- MCP (6 members)
- Magic tricks (1 member)
- Math topics (16 members)
- Measuring puzzles (5 members)
- Needs answer (27 members)
- Needs hint (7 members)
- Needs math (3 members)
- Needs solution (21 members)
- Needs story (1 member)
- Needs work (6 members)
- New (11 members)
- Number theory (15 members)
- Optimization puzzles (8 members)
- Organization (1 member)
- Parity (2 members)
- Pattern recognition (2 members)
- Permutations (1 member)