The number of subsets of A = {1, 2, 3,4} is _____.
8
16
15
7
The number of subsets of a set having 'n' elements = 2n
A = {1, 2, 3,4}
n(A) = 4
Number of proper subsets of A = 24=16.
The number of proper subsets of the set A = {1, 2, 3} is ___.