CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2001

  • question_answer
    Let S be a finite set containing n elements. Then the total number of binary operations on S is:

    A)  \[{{n}^{n}}\]                                     

    B) \[{{2}^{{{n}^{2}}}}\]

    C)  \[{{n}^{{{n}^{2}}}}\]                                      

    D) \[{{n}^{2}}\]

    Correct Answer: C

    Solution :

    Since a binary operation on is a function from \[S\times S\]to S, therefore the total number of binary operation on S is the total  number of function from \[S\times S\]to  S which is \[{{n}^{{{n}^{2}}}}.\]


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