Question

the number of all possible proper sunsets of (2, 3,5) is ​

Answer 1

Answer:

There are total proper subsets are 15 whereas the total subset is 16 because the subset {2,3,5,7} is the sixteenth subset of the set {2,3,5,7} that is also known as trivial subset but the set {2,3,5,7} is not a proper subset because it contains all the elements of the given set