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1. Let A = {2, 4, 6}, B = {4, 5, 6,7}, C = {1, 3, 5} and let the universal set for this problem be
   U = {1, 2, 3, 4, 5, 6, 7, 8, 9}. Find AB.

   1.   ?    {2, 4, 5, 6, 7}
   2.   ?    {2, 3, 4, 5, 6,7}
   3.   ?    {4, 6}
   4.   ?    {1, 2, 3, 4, 5, 6, 7}
   5.   ?    None of the answers given. Click to see the solution.

2. Let A = {2, 4, 6}, B = {4, 5, 6,7}, C = {1, 3, 5} and let the universal set for this problem be
   U = {1, 2, 3, 4, 5, 6, 7, 8, 9}. Find AB

   1.   ?    {4, 6}
   2.   ?    {2, 4, 5, 6, 7}
   3.   ?    {5, 7}
   4.   ?    None of the answers given. Click to see the solution.

3. Let A = {2, 4, 6}, B = {4, 5, 6,7}, C = {1, 3, 5} and let the universal set for this problem be
   U = {1, 2, 3, 4, 5, 6, 7, 8, 9}. Find AC.

   1.   ?    The empty set
   2.   ?    {1, 2, 3, 4, 5, 6, 7}
   3.   ?    {4, 6}
   4.   ?    None of the answers given. Click to see the solution.

4. Let A = {2, 4, 6}, B = {4, 5, 6,7}, C = {1, 3, 5} and let the universal set for this problem be
   U = {1, 2, 3, 4, 5, 6, 7, 8, 9}. Find A'.

   1.   ?    {1, 3, 5, 7, 8, 9}
   2.   ?    {1, 3, 5}
   3.   ?    {8, 9}
   4.   ?    None of the answers given. Click to see the solution.

5. Refer to the Venn diagram
   
   How many elements are in set A?

   1.   ?    11
   2.   ?    9
   3.   ?    7
   4.   ?    None of the answers given. Click to see the solution.

6. Refer to the Venn diagram
   
   How many elements are in the set A' ?

   1.   ?    13
   2.   ?    5
   3.   ?    8
   4.   ?    None of the answers given. Click to see the solution.

7. Refer to the Venn diagram
   
   How many elements are in the set AB ?

   1.   ?    16
   2.   ?    2
   3.   ?    14
   4.   ?    None of the answers given. Click to see the solution.

8. Refer to the Venn diagram
   
   How many elements are in the set AB?

   1.   ?    2
   2.   ?    16
   3.   ?    14
   4.   ?    None of the answers given. Click to see the solution.

9. Refer to the Venn diagram
   
   How many elements are in the set A'B?

   1.   ?    5
   2.   ?    13
   3.   ?    98
   4.   ?    None of the answers given. Click to see the solution.

10. 900 people who belong to a fitness center were asked about their exercise habits. 390 said "yes" when asked if they used the treadmill regularly, 230 said "yes" when asked if they lifted weights regularly, and 80 said "yes" to both questions. How many said "yes" to either using the treadmill regularly or lifting weights regularly?

    1.   ?    540
    2.   ?    460
    3.   ?    310
    4.   ?    150
    5.   ?    None of the answers given. Click to see the solution.

11. 900 people who belong to a fitness center were asked about their exercise habits. 390 said "yes" when asked if they used the treadmill regularly, 230 said "yes" when asked if they lifted weights regularly, and 80 said "yes" to both questions. How many said "yes" to using the treadmill regularly but said "no" to lifting weights regularly?

    1.   ?    310
    2.   ?    230
    3.   ?    360
    4.   ?    None of the answers given. Click to see the solution.