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 4 Functions & Groups Online Test MCQs With Answers
Question # 1
If A is non-empty set, any subset of AxA is called a relation in a
Choose an answer
A
B
D
r
Previous
Skip
Next
Question # 2
If no two elements of ordred pair of a function from A into B are equal, then it is called
Choose an answer
surjective
injuctive
bijective
on to
Previous
Skip
Next
Question # 3
Function is a special type of
Choose an answer
relation
ordered pairs
Cartesian product
Set
Previous
Skip
Next
Question # 4
Extraction of square root of a given number is a
Choose an answer
unary operation
binary operation
group
inverse function
Previous
Skip
Next
Question # 5
Choose an answer
Previous
Skip
Next
Question # 6
A relation a into B in which Domain is not equal to a, is called.
Choose an answer
Into function
on to function
None of these
Surjective
Previous
Skip
Next
Question # 7
The set of second elements of the ordered pairs forming a relation called a
Choose an answer
Domain
Range
Function
Relation
Previous
Skip
Next
Question # 8
Function is a special type of
Choose an answer
relation
ordered pairs
cartesian product
sets
Previous
Skip
Next
Question # 9
The set of first elements of the ordered pairs forming the relation is called is
Choose an answer
Domain
Range
Ordered paris
Relation
Previous
Skip
Next
Question # 10
If no two elements of ordered pairs of a function from A onto B are the same, then it is called
Choose an answer
surjective
injuctive
bijective
on to
Previous
Skip
Next
Question # 11
N is closed with respect to ordinary
Choose an answer
addition
multiplication
addition and multiplication
division
Previous
Skip
Next
Question # 12
Which of the following diagrams represent into function?
Choose an answer
Previous
Skip
Next
Question # 13
If no two elements of ordered pair of a functions from A into B are equal, then it is called.
Choose an answer
Surjective
Injuctive
Bijective
Onto
Previous
Skip
Next
Question # 14
Let A and B be two non-empty sets, then any subset of the cartesian product A x B called a
Choose an answer
Function
Domain
Range
Binary relation
Previous
Skip
Next
Question # 15
Which of the following is surjective
Choose an answer
Previous
Skip
Next
Question # 16
The inverse of a line is
Choose an answer
inverse
Line
quadratic
Circle
Previous
Skip
Next
Question # 17
Negation of a given number is an example of
Choose an answer
Binary operation
group
unary operation
function
Previous
Skip
Next
Question # 18
If no two elements of ordered pairs of a function from A onto are the same, then it is called.
Choose an answer
Surjective
Injuctive
Bijective
on to
Previous
Skip
Next
Question # 19
(a,b) = (c,d) if and only if
Choose an answer
a=b and c =d
a = d and b = c
a = c and b = d
a - b = c -d
Previous
Skip
Next
Question # 20
If A is non-empty set, any subset of A x A is called a relation in
Choose an answer
A
B
∅
r
Previous
Skip
Next
Question # 21
Choose an answer
similar images
distinct images
similar range
option a and c
Previous
Skip
Next
Question # 22
Choose an answer
Previous
Skip
Next
Question # 23
There will be no inverse if the function is
Choose an answer
one -to - one
One to many
onto
into
Previous
Skip
Next
Question # 24
Addition is not operation on
Choose an answer
Natural numbers
Even numbers
odd numbers
set of integers
Previous
Skip
Next
Question # 25
A semi-group having an identity is called a
Choose an answer
groupoid
non-commutative
abelian
monoid
Previous
Skip
Next
Question # 26
The identity function is
Choose an answer
surjective
injuctive
bijective
into
Previous
Skip
Next
Question # 27
Let A and B be two non-empty sets, then any subset of the cartesian product AxB is called a
Choose an answer
function
domain
range
binary relation
Previous
Skip
Next
Question # 28
The function denoted by 1/f called the
Choose an answer
Reciprocal function
Inverse function
Constant function
Reverse function
Previous
Skip
Next
Question # 29
The set of first elements of the ordered pairs forming the relation is called its
Choose an answer
domain
range
ordered paris
relation
Previous
Skip
Next
Question # 30
ax+by+c = 0 , represents a
Choose an answer
Circle
Parabola
Straight line
Quadratic circle
Previous
Skip
Next
Back