Let U = {1, 2, 3, 4, 5, 6, 7, 8} be the universal set and A = {1, 3, 5, 7}. Find A'.
Answer: C
The complement of a set A, denoted A', consists of all elements in the universal set U that are not in A.
U = {1, 2, 3, 4, 5, 6, 7, 8}
A = {1, 3, 5, 7}
A' = {2, 4, 6, 8}