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

Open in App

Solution

We know that, if A is a set having n elements then power set of A, namely P(A) has $2^{n}$ elements. Out of this A is not proper subset.

Hence, the total number of proper subsets of a set consisting of n elements in $2^{n} - 1$ .

Suggest Corrections

Similar questions

If a set has 31 proper subsets, then the number of elements in the set is ___.

The number of proper subsets of a set with m elements is

Join BYJU'S Learning Program