Module 4 (Sets) Practice Quiz Part 2

Survey Problem #1: A pet store keeps track of the purchases of the customers over in a day.  The store manager classifies purchases as containing a dog product, a cat product , a fish product or product for a different kind of pet. She found:

64 purchased a dog product 

60 purchased a cat product 

63 purchased a fish product

31 purchased a dog and a cat product

22 purchased a dog and a fish product

21 purchased a cat and a fish product

13 purchased a dog, a cat and a fish product

34 purchased a product for a pet other than a dog, a cat or a fish

Drag and drop the numbers that will complete the Venn Diagram.

j

i

h

f

d

a

9

8

32

33

22

21

31

19

18

24

Answer explanation

Note: Please screenshot the table for next succeeding questions.

Based on the previous given, (in survey problem#1),

How many bought fish products only? _____________

Based on the previous given, (in survey problem#1),

How many bought dog products only? _____________

Based on the previous given, (in survey problem#1),

How many bought cat products only? _____________

Based on the previous given, (in survey problem#1),

How many purchases were there in total? _____________

Survey Problem #2: Fifty girls were interviewed regarding the brand of toothpaste they are using. 35 girls uses brand A while 27 girls uses brand B. All the girls interviewed uses at least one of these brands. Drag and drop the numbers that will complete the Venn Diagram.

 

h

i

j

23

22

15

50

31

25

35

12

13

37

Survey Problem #2: Fifty girls were interviewed regarding the brand of toothpaste they are using. 35 girls uses brand A while 27 girls uses brand B. If all the girls interviewed uses at least one of these brands, how many of them uses both brands?

Which of the following is NOT a set?

• collection of real numbers greater than 78

• collection of Hermes bags in Heart Evangelista’s closet

• collection of brave students in Math 10

• collection of professors in DPSM who are taller than me

Which of the following sets is not equal to the rest of the choices?

• {a, e, l, m, n, t}

• {x | x is a distinct letter in the word  “menial”}

• { y | y is a distinct letter in the word  “elemental”}

• {z | z is a distinct letter in the word  “lament”}

• 
• 
• 
• 
• None of these