Let U = {1, 2, 3, 4, 5, 6} and A = {1, 3, 5}. Find A'.
a) {1, 3, 5}
b) {1, 2, 3, 4, 5, 6}
c) {2, 4, 6}
d) { }
A' is the set of all elements that are in the universal set U, but not in set A.
So, the answer is c) {2, 4, 6}