Sets Quiz

Name: ______________________   Date: __________   Score: ____ / 4

4 questions. No calculator. Show your working. steplyclass.com/foundations/sets/quiz/

1. 1

   Ξ = {1, 2, ..., 12}, A = {3, 6, 9, 12}, B = {2, 4, 6, 8, 10, 12}, find n(A ∩ B)

   Answer: ____________________

2. 2

   Ξ = {1, 2, ..., 12}, A = {1, 2, 3, 4, 6, 12}, B = {4, 8, 12}, find n(A ∪ B)

   Answer: ____________________

3. 3

   Ξ = {1, 2, ..., 15}, A = {3, 6, 9, 12, 15}, B = {5, 10, 15}, find n(A ∪ B)

   Answer: ____________________

4. 4

   Ξ = {1, 2, ..., 20}, A = {1, 4, 9, 16}, B = {2, 4, 8, 16}, find n(A′ ∩ B)

   Answer: ____________________