Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and A = {1, 3, 5, 7, 9}. Find A′.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → {2, 4, 6, 8, 10}
We note that 2, 4, 6, 8, 10 are the only elements of U which do not belong to A.
Hence A′ = {2, 4, 6, 8, 10}.