Question

The number of non-empty subsets of set (1,2,3,4) are

Answer 1

11 non empty subsets exist for a set (1234)
(1),(2),(3),(4),(1,2),(1,3),(1,4),(2,3),(2,4),(3,4),(1,2,3,4)

a set is subset to itself

hope it helps

Answer 2

Answer:

15 Non-empty subsets of {1,2,3,4} :

{1}, {2}, {3}, {4}, {1,2}, {1,3}, {1,4}, {2,3}, {2,4}, {3,4}, {1,2,3}, {1,2,4}, {1,3,4}, {2,3,4}, {1,2,3,4}