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WorksheetsSet Theory Discrete
Total questions: 13
Worksheet time: 36mins
Name
Class
Date
1.
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?
a)
{3, 5, 7}
b)
{2, 3, 5, 7}
c)
{2, 3, 5, 7, 9}
d)
{1, 2, 3, 5, 7, 9}
2.
How many students do not snowboard?
a)
21
b)
22
c)
28
d)
29
3.
Given the following Venn diagram, let blue represent the students taking drama (D) and green represent the students taking math (M).
What is n(D ⋃ M)?
a)
5
b)
7
c)
2
d)
4
4.
Which of the following represents the shaded region?
a)
(A ⋃ B)'
b)
(A ∩ B)'
c)
A'
d)
B'
5.
Empty set is also known as
a)
Null set
b)
Equivalent Set
c)
Single set
6.
What does this symbol ( ∩ ) represent in set theory?
a)
Union
b)
Intersection
c)
Disjointed
d)
Subset
7.
The number of elements in the Power set P(S) of the set S = [ [ Φ] , 1, [ 2, 3 ]] is
a)
2
b)
4
c)
6
d)
8
8.
{1,2,3,4,5,6} which set is a subset of this?
a)
{1,3,5}
b)
{0,1,2}
c)
{4,6,8}
d)
{1.1,2,3}
9.
{ x | x is a natural number greater than 20 } is :
a)
Finite Set
b)
Infinite Set
10.
If
A = {1, 3, 5, 15},
B = {2, 3, 5, 7}
C = {2, 4, 6, 8}
then what is (A U B) ∩ C ?
a)
{1,3,5}
b)
{1,2,3}
c)
{2,3,5}
d)
{2}
11.
Let C={2, 5, 7, 10} and B={x|x is an even whole number less than 9}. Find C ∩ B
a)
{2,4,6,8,10}
b)
{2,4,5,6,7,8,10}
c)
{2, 3, 4, 5, 6, 7, 8}
12.
Let C={2, 5, 7, 10} and B={x|x is an even whole number less than 9}. Find C U B
a)
{2,4,6,8,10}
b)
{2,4,5,6,7,8,10}
c)
{2, 4, 5, 6, 7, 8, 10}
13.
Identify the shaded area...
a)
A
b)
B
c)
A'
d)
B'
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