UPTET Feb 2014, q121

0. If a set A contains 5 elements then, the number of subsets of A where none of the subset is empty set, is

Answer
Comment
Array

Option : D
Explanation : A set of containing n elements has 2n subsets which includes the empty set ∅.
For x = 5, number of subsets excluding ∅
2⁵ - 1.

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