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Worksheets10th Maths: 2.Sets QUIZ
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Let A={ 1,2,{1} ,{1,2}, 3,4} then which of the following is true?
a)
{3} ε A
b)
{1,3} ε Α
c)
{1,2}εΑ
d)
Νone
2.
If A={1,2,3,4} , B={2,4,6,8} then A-B=
a)
{6,8}
b)
{1,2}
c)
{1,3}
d)
None
3.
If n(AUB)=8, n(A)=6 , n(B)=4 then n(A∩B)=
a)
2
b)
4
c)
6
d)
8
4.
Let A,B are two sets such that n(A)=5 , n(B)=7, then maximum number of elements in AUB=
a)
7
b)
9
c)
12
d)
None
5.
If AUB=AUC and A∩B=A∩C , then
a)
A ⊆ C
b)
A=B=C
c)
B=C
d)
B ⊆ C ⊆ A
6.
If A={1,2,3,4} then the cardinality of set A is
a)
3
b)
4
c)
5
d)
6
7.
If A , B are disjoint sets such that n(A)= 4 and n(AUB)=7 then n(B)=
a)
4
b)
11
c)
3
d)
20
8.
An object of a set is called
a)
subject
b)
number
c)
alphabet
d)
element
9.
The set of all real numbers is
a)
φ
b)
Finite set
c)
infinite set
d)
none
10.
The number of elements in the empty set is
a)
0
b)
φ
c)
1
d)
∞
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