If A = {a, b, c, d, e} then the number of elements in the Power set n(P(A)) = _____?

None of these

The power set P(A) of a set A with n elements has 2^n elements.

Here, A = {a, b, c, d, e} has 5 elements, so n = 5.

The number of elements in P(A) is 2^5 = 32.