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 A x A is called a relation in
Choose an answer
A
B
∅
r
Previous
Skip
Next
Question # 2
A semi-group having an identity is called a
Choose an answer
groupoid
non-commutative
abelian
monoid
Previous
Skip
Next
Question # 3
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 # 4
Addition is not operation on
Choose an answer
Natural numbers
Even numbers
odd numbers
set of integers
Previous
Skip
Next
Question # 5
Which of the following diagrams represent into function?
Choose an answer
Previous
Skip
Next
Question # 6
Choose an answer
Previous
Skip
Next
Question # 7
There will be no inverse if the function is
Choose an answer
one -to - one
One to many
onto
into
Previous
Skip
Next
Question # 8
arb mean
Choose an answer
a is related to b
b is related to a
a is reciprocal of b
a is not related to b
Previous
Skip
Next
Question # 9
Function is a special type of
Choose an answer
relation
ordered pairs
cartesian product
sets
Previous
Skip
Next
Question # 10
The set of second elements of the ordered pairs forming a relation is called a
Choose an answer
Domain
range
function
relation
Previous
Skip
Next
Question # 11
Which of the following diagrams represent bijective function?
Choose an answer
Previous
Skip
Next
Question # 12
If the number of elements in set A is n, and in set B is m, then the number of elements in AxB will
Choose an answer
n
m
m
n
m x n
m + n
Previous
Skip
Next
Question # 13
N is closed with respect to ordinary
Choose an answer
addition
multiplication
addition and multiplication
division
Previous
Skip
Next
Question # 14
A function f from A to B can be written as
Choose an answer
Previous
Skip
Next
Question # 15
Which of the following notation defines AxB
Choose an answer
Previous
Skip
Next
Question # 16
Choose an answer
similar images
distinct images
similar range
option a and c
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
A relation A into B in which Domain is not equal to A, is called
Choose an answer
into function
onto function
None of these
surjective
Previous
Skip
Next
Question # 19
Which of the following represent injuctive function
Choose an answer
Previous
Skip
Next
Question # 20
The function denoted by 1/f called the
Choose an answer
Reciprocal function
Inverse function
Constant function
Reverse function
Previous
Skip
Next
Question # 21
ax+by+c = 0 , represents a
Choose an answer
Circle
Parabola
Straight line
Quadratic circle
Previous
Skip
Next
Question # 22
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 # 23
If range of a function f is B, then the function is
Choose an answer
surjective
injuctive
bijective
into
Previous
Skip
Next
Question # 24
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 # 25
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
Back