Question # 1

N is closed with respect to ordinary

Choose an answer

addition

multiplication

addition and multiplication

division

The graph of a constant line is

Choose an answer

vertical line

parabola

circle

horizontal line

Identity element, if it exists, is

Choose an answer

inverse

unique

commutative

associative

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

Choose an answer

bijective function

into function

onto function

surjective

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

If A is non-empty set, any subset of AxA is called a relation in a

Choose an answer

A

B

D

r

The set of second elements of the ordered pairs forming a relation called a

Choose an answer

Domain

Range

Function

Relation

Function is a special type of

Choose an answer

relation

ordered pairs

cartesian product

sets

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

Which of the following is surjective

Choose an answer

similar images

distinct images

similar range

option a and c

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

The net of cartesian product AxB consists of

Choose an answer

domain

range

binary relation

ordered pair

Choose an answer

injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

Function is a special type of

Choose an answer

relation

ordered pairs

Cartesian product

Set

The inverse of a line is

Choose an answer

inverse

Line

quadratic

Circle

There will be no inverse if the function is

Choose an answer

one -to - one

One to many

onto

into

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

Such a function which is (1 -1) is called

Choose an answer

surjective

injuctive

bijective

into

The identity function is

Choose an answer

surjective

injuctive

bijective

into

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

Which of the following represent injuctive function

Choose an answer

A function f from A to B can be written as

Choose an answer

Addition is not operation on

Choose an answer

Natural numbers

Even numbers

odd numbers

set of integers

ax+by+c = 0 , represents a

Choose an answer

Circle

Parabola

Straight line

Quadratic circle

ax+by+c = 0, represent a

Choose an answer

circle

parabola

straight line

quadratic circle

If range of a function f is B, then the function is

Choose an answer

surjective

injuctive

bijective

into

The set of second elements of the ordered pairs forming a relation is called a

Choose an answer

Domain

range

function

relation

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

More Classes

Other Links

Mathematics ECAT Pre Engineering Chapter 4 Functions and Groups Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer