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If in a group of n …

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If in a group of n distinct objects, the number of arrangements of 4 objects is 12 times the number of arrangements of 2 objects, then the number of objects is a) 8 b) 5 c) None of these d) 10

    • Posted by Desi Jaat 10 months, 1 week ago

    Haryana Board > Class 11 > Mathematics
    • 0 answers
    ANSWER
    http://mycbseguide.com/examin8/

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    If in a group of n distinct objects, the number of arrangements of 4 objects is 12 times the number of arrangements of 2 objects, then the number of objects is a) 8 b) 5 c) None of these d) 10

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