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
The extraction of a cube root of a given number is a
Choose an answer
Binary operation
Unary operation
group
multiplicative inverse
Previous
Skip
Next
Question # 2
The set {E,0}, is closed under (ordinary)
Choose an answer
multiplication
addition
subtraction
division
Previous
Skip
Next
Question # 3
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 # 4
The function denoted by 1/f called the
Choose an answer
Reciprocal function
Inverse function
Constant function
Reverse function
Previous
Skip
Next
Question # 5
A function from A to B is called on-to function, if its range is
Choose an answer
A
B
A and B
neither A nor B
Previous
Skip
Next
Question # 6
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 # 7
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 # 8
Such a function which is (1 -1) is called
Choose an answer
surjective
injuctive
bijective
into
Previous
Skip
Next
Question # 9
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 # 10
(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 # 11
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 # 12
Which of the following diagrams represent bijective function?
Choose an answer
Previous
Skip
Next
Question # 13
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 # 14
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 # 15
The inverse of a line is
Choose an answer
inverse
Line
quadratic
Circle
Previous
Skip
Next
Question # 16
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 # 17
Which of the following diagrams represent into function?
Choose an answer
Previous
Skip
Next
Question # 18
A semi-group having an identity is called a
Choose an answer
groupoid
non-commutative
abelian
monoid
Previous
Skip
Next
Question # 19
ax+by+c = 0, represent a
Choose an answer
circle
parabola
straight line
quadratic circle
Previous
Skip
Next
Question # 20
If range of a function f is B, then the function is
Choose an answer
surjective
injuctive
bijective
into
Previous
Skip
Next
Question # 21
The group of a constant line is
Choose an answer
Vertical line
Parabola
Circle
Horizontal line
Previous
Skip
Next
Question # 22
Addition is not operation on
Choose an answer
Natural numbers
Even numbers
odd numbers
set of integers
Previous
Skip
Next
Question # 23
The net of cartesian product AxB consists of
Choose an answer
domain
range
binary relation
ordered pair
Previous
Skip
Next
Question # 24
ax+by+c = 0 , represents a
Choose an answer
Circle
Parabola
Straight line
Quadratic circle
Previous
Skip
Next
Question # 25
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
Back