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ISRO | ISRO CS 2013 | Question 73

  • Last Updated : 03 May, 2018

The number of elements in the power set of the set {{A,B},C} is
(A) 7
(B) 8
(C) 3
(D) 4

Answer: (D)

Explanation: For ‘n’ elements in a set, there are 2n elements in the corresponding power set.

Given set = {{A, B},C}
Power set = { {{A, B}}, {C}, {{A, B}, C}}, ϕ}

So, total 4 elements are present in the power set.

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