Henry Ernest Dudeney/Puzzles and Curious Problems/274 - Halfpennies and Tray
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Puzzles and Curious Problems by Henry Ernest Dudeney: $274$
- Halfpennies and Tray
- What is the greatest number of halfpennies that can be laid flat on a circular tray
- No halfpenny may rest, however slightly, on another.
- Of course, everybody should know that a halfpenny is exactly one inch in diameter.
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Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Combination and Group Problems: $274$. -- Halfpennies and Tray