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If A={1, 2, 3, 4}, then the number of the subsets of A that contain the element 2 but not 3, is?

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If A={1, 2, 3, 4}, then the number of the subsets of A that contain the element 2 but not 3, is?

(a) 16

(b) 4

(c) 8

(d) 24

I have been asked this question in an interview for internship.

The origin of the question is Subsets in division Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

1 Answer

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Correct answer is (b) 4

Explanation: The subsets would be {1, 2, 4},{1, 2}, {2, 3}, {2}.

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