21 sats \ 1 reply \ @Scroogey 17 Oct \ on: A logic puzzle for you AskSN
Only one.
You open the one labeled peaches. It cannot contain peaches. There are two cases, either it contains pears, or plums.
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You found plums in the jar labeled peaches. Since the remaining jar labeled pears can't contain the pears, the pears must be in the jar labeled plums.
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You found pears in the jar labeled peaches. Since the remaining jar labeled plums can't contain plums, the plums must be in the jar labeled pears.
