Intelligent Glass

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?




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What occurs twice in a week, once in a year but never in a day?

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If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

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In a town, there are over 100 flats.
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Flat-3 is named third flat.

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Victor later founds that the local of the town have given it another name.

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Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.