Question # 1

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

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surjective

injuctive

bijective

into

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

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surjective

injuctive

bijective

into

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similar images

distinct images

similar range

option a and c

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

The graph of a constant line is

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vertical line

parabola

circle

horizontal line

arb mean

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a is related to b

b is related to a

a is reciprocal of b

a is not related to b

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

The set {E,0}, is closed under (ordinary)

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multiplication

addition

subtraction

division

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

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Domain

range

function

relation

The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

the function y = mx+c is, called linear function, because

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it has only two variables

it has one varible

its graphs is straight line

its graphs is circle

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

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A

B

∅

r

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

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Domain

Range

Function

Relation

Function is a special type of

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relation

ordered pairs

cartesian product

sets

A semi-group having an identity is called a

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groupoid

non-commutative

abelian

monoid

(a,b) = (c,d) if and only if

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a=b and c =d

a = d and b = c

a = c and b = d

a - b = c -d

If no two elements of ordered pairs of a function from A onto B are the same, then it is called

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surjective

injuctive

bijective

on to

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The net of cartesian product AxB consists of

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domain

range

binary relation

ordered pair

The identity function is

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surjective

injuctive

bijective

into

Let A and B be two non-empty sets, then any subset of the cartesian product AxB is called a

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function

domain

range

binary relation

A function from A to B is called on-to function, if its range is

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A

B

A and B

neither A nor B

A function f from A to B can be written as

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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

A relation A into B in which Domain is not equal to A, is called

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into function

onto function

None of these

surjective

If no two elements of ordered pairs of a function from A onto are the same, then it is called.

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Surjective

Injuctive

Bijective

on to

A relation a into B in which Domain is not equal to a, is called.

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Into function

on to function

None of these

Surjective

Extraction of square root of a given number is a

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unary operation

binary operation

group

inverse function

Function is a special type of

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relation

ordered pairs

Cartesian product

Set

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ECAT Pre General Science Mathematics Chapter 4 Functions & Groups Online Test MCQs With Answers

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