Answer
The number of subsets = 31
Work Step by Step
{2,4,6,8,10}
There are 5 elements in the given set.
We know that, If set contains n elements then number of subsets are 2^{n}, and among them 2^{n} - 1 are the proper subsets.
The number of subsets = 2^{5} - 1 = 32 - 1 = 31.
