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WorksheetsSets
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Which is not a property of set ?
a)
well defined collecton
b)
unordered
c)
limited size
d)
distinct
2.
When a set A has all the elements having in set B, We can say...
a)
A is subset of B
b)
B is a superset of A
c)
Both (A is subset and B is superset of A)
d)
A is always superset of B
3.
What is the symbol of union ?
a)
∩
b)
∪
c)
∉
d)
None of these.
4.
Empty set is a _______.
a)
Infinite set
b)
Finite set
c)
Unknown set
d)
Universal set
5.
The number of elements in the Power set P(S) of the set S = {1, 2, 3} is:
a)
4.0
b)
8.0
c)
9.0
d)
None of these.
6.
Which of the following two sets are equal?
a)
A = {1, 2} and B = {1}
b)
A = {1, 2} and B = {1, 2, 3}
c)
A = {1, 2, 3} and B = {2, 1, 3}
d)
A = {1, 2, 4} and B = {1, 2, 3}
7.
Write X = {1, 4, 9, 16, 25,…} in set builder form.
a)
X = {x: x is a set of prime numbers}
b)
X = {x: x is a set of whole numbers}
c)
X = {x: x is a set of natural numbers}
d)
X = {x: x is a set of square numbers}
8.
What is cardinality of sets ? For a given set A _____
a)
Number of elements in set
b)
Number of subsets
c)
Number of supersets
d)
All of these
9.
We can say two sets are equal, if
a)
they both have same elements
b)
they both have same number of elements.
c)
they elements and order of elements are equal
d)
All of these
10.
We can say two sets are euivalent ,if
a)
it is not necessary that they have same element
b)
they both have same number of elements.
c)
same cardinality
d)
All of these
11.
Representation of set ,
a)
Roster Form
b)
Tabular form
c)
Set Builder Form
d)
All of these
12.
representation of empty set
a)
{ }
b)
∅
c)
{∅}
d)
A & B
13.
If A={2,4,2,3} Find cardinal number
a)
4.0
b)
3.0
c)
2.0
d)
5.0
14.
If A={3,4,5,6} & B={5,6,7} then AUB=?
a)
{5,6}
b)
{3,4,5,6,7}
c)
{3,4,5,6}
d)
None of these
15.
A set is denoted by
a)
Small Letter
b)
Capital Letter
c)
A & B
16.
Such that denoted by
a)
:
b)
|
c)
A & B
17.
Which statement is true
a)
null set is a subset of every set
b)
A set is a subset of itself
c)
A & B
d)
None of these
18.
If A={1,2}, Which of the following is not a subset
a)
{∅}
b)
{1,2}
c)
{1}
d)
{2}
19.
Find AUA=?
a)
A
b)
U(Universal set)
c)
None
20.
find AU∅=?
a)
∅
b)
A
c)
None
21.
Which is a correct representation of any subset
a)
A⊆B
b)
A⊂B
c)
Both
d)
None
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