JEE Main & Advanced Mathematics Sets Question Bank Set theory

  • question_answer
    The number of non-empty subsets of the set {1, 2, 3, 4} is [Karnataka CET 1997; AMU 1998]

    A) 15

    B) 14

    C) 16

    D) 17

    Correct Answer: A

    Solution :

    The number of non- empty subsets = \[{{2}^{n}}-1\] \[{{2}^{4}}-1=16-1=15\].


You need to login to perform this action.
You will be redirected in 3 sec spinner