If a finite set A has m elements, then the number of non-empty proper subset of A is

If a finite set S contains n elements, then the number of non empty proper subsets of S is

If a set A has 4 elements , then the total number of proper subsets of set A is :

If a set A has 4 elements then total number of proper subsets of set A is

The total number of subsets of a finite set A has 56 more elements then the total number of subsets of another finite set B. What is the number of elements in the set A ?

A set has 4 elements,then total number of subsets is:

The total number of subsets of a finite set A has 56 more elements than the total number of subsets of another finite set B. What is the number of elements in the set A?

A set has n elements, then the total number of subsets of A is

If there are 4 elements in A , then number of proper subsets of A are :