Pigeon hole principle

Home Forums Math Olympiad, I.S.I., C.M.I. Entrance Pigeon hole principle

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  • #75429
    Partheeban S
    Participant

    how to answer this type of questions?

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    #75481
    KOUSHIK SOM
    Participant

    There are 12 spot and distace between two points is 1 meter.The spider can only be placed at this black spots alternately.So the numbers of the spider be 6

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