More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Chapter 2 Set, Functions and Groups Online Test MCQs With Answers
Question # 1
The set {x +iy / x, y ∈ Q} forms a group under the binary operation of
Choose an answer
Addition
Multiplication
Division
Both addition and multiplication
Previous
Skip
Next
Question # 2
Z is a
Choose an answer
Infinite set
Finite set
Singleton set
Set of all integers
Previous
Skip
Next
Question # 3
A∪(A∪B)= --------------------
Choose an answer
B
A
A∪B
None of these
Previous
Skip
Next
Question # 4
The set (Q, .)
Choose an answer
Forms a group
Does not form a group
Contains no additive identity
Contains no additive inverse
Previous
Skip
Next
Question # 5
If n(A) = n then n(P(A)) is
Choose an answer
2n
n
2
n/2
2
n
Previous
Skip
Next
Question # 6
Choose an answer
A
B
U
None of these
Previous
Skip
Next
Question # 7
Choose an answer
Addition
Subtraction
Multiplication
None of these
Previous
Skip
Next
Question # 8
Choose an answer
Previous
Skip
Next
Question # 9
Under multiplication, solution set of is
Choose an answer
Groupoid
Abelian group
Semi group
All of these
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
Group of none-singular matrices under multiplication is
Choose an answer
None-Abelian group
Semi group
Abelian group
None of these
Previous
Skip
Next
Question # 12
Onto function is also called
Choose an answer
Binjective function
Injective function
Surjechive function
None of these
Previous
Skip
Next
Question # 13
Choose an answer
Previous
Skip
Next
Question # 14
Choose an answer
A is proper subset of B
A is an improper subset of B
A is equivalent to B
B is subset of A
Previous
Skip
Next
Question # 15
Choose an answer
square root function
identity function
linear function
quadratic function
Previous
Skip
Next
Question # 16
Which of the following is the definition of singleton
Choose an answer
The objects in a set
A set having no element
A set having no subset
None of these
Previous
Skip
Next
Question # 17
Which symbolic notation represent unary operation ?
Choose an answer
-
∨
∧
⇔
Previous
Skip
Next
Question # 18
The set of the first elements of the orders pairs forming a relations is called its
Choose an answer
Relation in B
Range
Domain
Relation in A
Previous
Skip
Next
Question # 19
If P is a proposition then its negative is denoted by
Choose an answer
Previous
Skip
Next
Question # 20
Let A and B be two sets. If every element of A is also an element of B then
Choose an answer
Previous
Skip
Next
Question # 21
If A and B are two sets then any subset R of A x B is called
Choose an answer
relation on A
relation on B
relation from A to B
relation from B to A
Previous
Skip
Next
Question # 22
If a set S contains "n" elements then P (S) has ...... number of elements
Choose an answer
2
n
2
2n
2 . n
n
2
Previous
Skip
Next
Question # 23
If D = {a} , the P(D) =
Choose an answer
{a}
∅
{∅,{a}}
{∅,a}
Previous
Skip
Next
Question # 24
Choose an answer
Previous
Skip
Next
Question # 25
Choose an answer
A
A'
U
None of these
Previous
Skip
Next
Question # 26
If S = {3,6,9,12.......}, then
Choose an answer
S = Four multiples of 3
S = Set of even numbers
S = Set of prime numbers
S = All multiples of 3
Previous
Skip
Next
Question # 27
Multiplicative inverse of 0 is
Choose an answer
0
1
+-1
Does not exist
Previous
Skip
Next
Question # 28
Choose an answer
A finite set
An infinite set
An empty set
None of these
Previous
Skip
Next
Question # 29
If B-A≠φ , then n(B-A) is equal to
Choose an answer
n(a)+n(c)
n(c)-n(a)
n(a)-n(c)
None of these
Previous
Skip
Next
Question # 30
{0} is a
Choose an answer
Empty set
Singleton set
Zero set
Null Set
Previous
Skip
Next
Question # 31
The set of rational numbers is subset of
Choose an answer
The set of natural numbers
The set of real numbers
The set of integers
The set of whole numbers
Previous
Skip
Next
Back