Question

If A = {a, b, c, d}. How many subsets does the set A have? 

A) 5 

B) 6 

C) 16 

D) 65

Answer 1

Correct option is C) 16

Given A = {a, b, c, d} 

n(A) = 4 Number of subsets for a set, which is having ‘n’ elements is 2ⁿ. 

So n(A) = 4 

Number of subsets for A is 2⁴ = 16.