Let A = {1 {2, 3}}. Then, the number of subsets of A, is

 Let A = {1 {2, 3}}. Then, the number of subsets of A, is

  1. A

    2

  2. B

    4

  3. C

    8

  4. D

    7

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    Solution:

    we have, A = {1, {2,3}}
    Number of element, A =2
    Number of subsets of A =22 = 4

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