Set Operations Quiz (5 Questions)

1. Find A ∪ B if A = {1, 3}, B = {2, 3}

2. Find A ∩ B if A = {1, 2, 3}, B = {3, 4}

3. Find A − B if A = {1, 2, 3}, B = {2, 3}

4. True or False: A ∪ A = A

5. If U = {1, 2, 3, 4, 5}, A = {2, 4}, find A′

Answer Key

1. {1, 2, 3}

2. {3}

3. {1}

4. True

5. {1, 3, 5}