Henry Ernest Dudeney/Modern Puzzles/149 - A Tree-Planting Puzzle/Solution
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Modern Puzzles by Henry Ernest Dudeney: $149$
- A Tree-Planting Puzzle
- How do you plant $13$ trees so as to form $9$ straight rows of $4$ trees each?
Solution
Sources
- 1926: Henry Ernest Dudeney: Modern Puzzles ... (previous) ... (next): Solutions: $149$. -- A Tree-Planting Puzzle
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Answers: $435$. A Tree-Planting Puzzle