Practice Test

1. Consider the following sets:If the U= {x | x ≤10 and x∈W}
   • A = {1, 4, 5, 6, 7, 9, 10}
   • B = {x | x is a prime number}
   Draw a Venn diagram and determine:
   1. A∪B’_______________________
   2. n (A’∩B’)_________________________
   3. Not A or not B_____________________________
   4. B’________________________
2. A restaurant offers Chinese, Thai, and Korean food.
   The following Venn diagram shows the types of food the 100 customers like.Use the diagram to determine
   1. How many customers like Thai but not like Chinese food__________
   2. How many customers like Thai and Korean food ______________
   3. How many customers did not like Korean food__________
   4. How many customers like Thai and Chinese but not like Korean food_________________
   
3. Consider the universal set U= {x | x ≤11,x∈N}  and the following sets:

   • A= {1, 2, 5,6, 7,11}
   • B = {x | x is a factor of 10}
   • C = {x | x is an even number}

   Draw the Venn diagram and determine:

   1. C ∪A______________________
   2. A and not B___________________________
   3. C’∩B_________________________________
   4. Not C___________________________________
   5. A and B and C______________________________
   6. C and not A and not B_______________________
   7. A or B or C_______________________