Find the total number of subsets of a set with .
(i) 4 elements (ii) 5 elements
(iii) n elements

If a set A has 12 elements, find the number of subsets of A having (i) 4 elements (ii) Atleast 3 elements (iii) Atmost 3 elements.

The number of subsets of a set containing n elements is

The number of subsets of a set containing n elements is :

What is the total number of proper subsets of a set containing n elements?

What is the total number of proper subsets of a set containing n elements ?

The number of subsets of a set containing n distinct elements is