WorksheetsSets and Subsets Practice
Total questions: 40
Worksheet time: 53mins
Find n(A) when
A = {14, 16, 18, 20, 22, 24}
6
14
24
2
Which of the following is a well - defined set?
a set of good politicians
a set of heart-breaking KDramas
a set of award winning shows
Which of the following are the elements of the A={x/x is a whole number}
{2, 4, 6}
{0, 1, 2, 3, 4,......}
{1, 2, 3, 4, 5,...}
What is the set builder notation for B = {9, 18, 27, 36, 45, 54,...}
B = {x/x is a multiple of 9}
B = {x/x is a power of 9}
What is the cardinality of the set below?
P ={ϕ}0
1
2
Write the following solution in set builder notation:
x ≥ -2
{ x | x ≥ 2 }
{ x | x ≥ -2 }
{ x ≥ -2 }
{ x | x ≤ -2 }
Write the following solution in set builder notation:
y > 10
{ y > 10 }
{ y | y > 10 }
{ y | y < 10 }
( -0, 10 )
Which answer is an example of a finite set?
{prime numbers}
{5, 6, 7, 8, 9, 10, 11, ...}
{perfect squares between 50 and 80}
{odd integers}
Which sets are equal?
P = {duck} and Q = {DUCK}
A = {a, r, m} and B = {r, a, m}
M = {t, e, a} and N = {e, a, t, s}
X = {e, i} and Y = {vowels in "oranges"}
What does this symbol "∉" mean?
Is not an intersection
Is not a member of
Not the universal set
Empty set
Choose the correct symbol.
m _____ {f, e, e, t}
⊂
∈
=
∈/
Determine whether the following is a well-defined set or not.
The set of beautiful beaches.
Well-defined
Not Well-defined
Determine whether the following is a well-defined set or not.
The set of composite numbers greater than 30.
Well-defined
Not well-defined
Determine whether the following is a well-defined set or not.
The set of 70 years old people.
Well-defined
Not Well-defined
Fill in the blank space with ∈ or ∈/ to make the following statement true.
5 − {x : x is a multiple of 5}
∈
∈/
Fill in the blank space with ∈ or ∈/ to make the following statement true.
0 ____ {2000}
∈
∈/
List the element of A.
A = {x : x is a positive odd number smaller than 10}
Answer:
A = { _ , _, _, _, _ }
(a)
Write the following using set builder notation.
B = {1, 4, 9, 16, 25}
B = { x : x < 26, x is a cube number}
B = { x : x ≤ 25, x is a square number}
Write the following using set builder notation.
C = {5, 6, 7, 8, 9}
C = {x: 4<x<10, x is an integer number}
C = {x: 5≤x<9, x is an integer number}
Write the following using set-builder notation.
H = {January, June, July}
C = {x: x is name of month in a year}
C = {x : x is name of month start with J}
What are the numbers in a set called?
options
elements
parts
True or False? {A,B} is subset from {A,B,C,D}
True
False
True or false? {1,2,3,4} is subset from {1,2,3,4,5,6,7,8,9}
True
False
True or false? {R,G,B} is a proper subset from {R,G,B}.
True
False
If U = {1, 3, 5, 7, 9, 11, 13}, then which of the following are subsets of U.
A = {2, 4}
B = {13, 7, 9, 11, 5, 3, 1}
C = {2, 3, 4, 5}
D = {0}
Give me an example of the subset of
A = { car, airplane. train}
{boat}
{motorbike, car}
{car, train}
{bicycle, train
How many subsets does set A = { red, blue} has?
1
2
3
4
Every set has _____ as one of its subsets (select all that apply.)
∅
0
itself
the real numbers
Let A = {2, 3, 4, 5, 6, 7}
B = {2, 4, 7, 8)
C = {2, 4}.
Which of the following mathematical statements is true?
B ⊂ C
A ⊂ C
C ⊂ A
A ⊂ B
How many subsets will this set have?
A= {a, b, c}
8
6
3
0
Which of the following means proper subset?
⊂
⊆
∈
=
Which of the following is the symbol for element of?
∅
⊂
∈
⊂
Which of the following sets has 4 elements?
A = { x/x is an odd number }
B = { x/x is a vowel }
C = {x/x is an even number between 1 and 9}
D = {x/x is an even number from 2 to 10}
What is wrong with the set listed below?
D = {m, a, t, h, e, m, a, t, i, c, s}
It is not written in roster notation.
A capital letter is used to represent this set.
The objects in this set are not unique.
Nothing is wrong with this set
If A = { x/x is a vowel }
and B = { 1, 2, 3, 4, 5}
Which of the following statements is true?
A = B
n(A) = B
A = n(B)
n(A) = n(B)
Which of the following statements is correct?
All equal sets are equivalent sets.
All equivalent sets are equal sets.
All sets are equal.
All sets are equivalent.
What is correct symbol for empty set?
{0}
{ϕ}
∞
ϕ
How many subsets does set A have?
A = { red, blue}
1
2
3
4
True or False:
If
P = {3, 5, 7, 9, 11}
Q = {9, 11, 13}
R = {3, 5, 9} S = {13, 11}
then Q ⊂ P.
True
False
