JEE Main & Advanced Mathematics Sets Question Bank Mock Test - Sets

  • question_answer
    The number of non-trivial subsets of a set with 5 elements is

    A) 32                    

    B) 34

    C) 30        

    D) 35

    Correct Answer: C

    Solution :

    [c] Number of all subsets =\[{{2}^{5}}\]       Number of trivial subsets =2       Number of non-trivial subsets=\[{{2}^{5}}-2\]= \[32-2=30\]       


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