WorksheetsUnion and Intersection
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
What is the definition of the union of two sets, A and B?
a)
The set of all elements that are both in set A and in set B.
b)
The set of elements that are in either set A or set B.
c)
The set of elements that are in set A, but not in set B.
d)
The set of elements that are in set B, but not in set A.
2.
If A={3,4,7,9}, B={1,3,5,8,9,11} and C={2,3,5,6,9,12}. What is A∩C?
a)
{3}
b)
{2,3,4,5,6,7,9,12}
c)
{3,9}
d)
{3,5,9}
3.
If A={3,4,7,9}, B={1,3,5,8,9,11}, and C={2,3,5,6,9,12}
what is B∪C?
a)
{1,3,4,5,7,8,9,11}
b)
{1,2,3,5,6,8,9,11,12}
c)
{3,5,9}
d)
{3}
4.
What is the shaded region?
a)
A
b)
A Ո B1
c)
B Ո A1
d)
A ∪ B
5.
What is the notation of the shaded region?
a)
A ∪ B
b)
A1 ∪ B1
c)
A Ո B
d)
A1 Ո B1
6.
The number of students who like both Coke and Pepsi is:
a)
20
b)
10
c)
5
d)
45
7.
The number of students who like Coke only is:
a)
30
b)
15
c)
20
d)
25
100 %
