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Puzzle #239: What is the quickest way to break up this chocolate bar?

Can you solve this week’s arithmetical puzzle, Snap judgement? Plus the answer to puzzle #238

13 September 2023

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#239 Snap judgement

Set by Brian Hobbs

The current Guinness World Record for the largest chocolate bar by weight belongs to confectionery firm Thorntons for the 5792.5 kilogram bar it created in Derbyshire, UK, in 2011. The illustration above shows how the bar was arranged: in 15 segments, with one larger than the rest.

Separating the bar into its individual segments would be no small feat. In order to break the bar up, you would need to snap it multiple times along an entire line, either horizontally or vertically.

What would be the minimum number of snaps required to separate…

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