Four golf balls can be placed so that each ball touches the other three. Five £1 pound coins can be arranged so that each coin touches the other four. Is it possible to place six pencils so that each touches the other five? The pencils can’t be broken / bent.
Source: Gardner, Martin. My Best Mathematical and Logic Puzzles (Dover Recreational Math) . Dover Publications.
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Zach Marinovhttps://etonstem.com/author/zach

Zach Marinovhttps://etonstem.com/author/zach

Zach Marinovhttps://etonstem.com/author/zach

Zach Marinovhttps://etonstem.com/author/zach
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