2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-28

  • question_answer
    Let\[A=\{1,2,3,4\}\]. The number of different ordered pairs (B, C) that can be formed such that \[B\subseteq AC\subseteq A\] and \[B\cap C\] is empty, is

    A)  42                                         

    B)  34

    C)  43                                         

    D)  24

    Correct Answer: B

    Solution :

    For each element of set A, there are 3 possibilities i.e., (i) element of B but not element of C (ii) element of C but not element of B (iii) neither element of B nor element of C So, number of ways = 34


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