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  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2001

  • question_answer
    The number of ways in which 21 objects can be grouped into three groups of 8, 7 and 6 objects, is:

    A)  \[\frac{20!}{8!+7!+6!}\]                               

    B)  \[\frac{21!}{8!7!}\]

    C)  \[\frac{21!}{8!7!6!}\]    

    D)         \[\frac{21!}{8!+7!+6!}\]

    E)  none of these

    Correct Answer: C

    Solution :

    Required number of ways \[=\frac{21!}{8!7!6!}\]


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