Question # 1

The set of first elements of the ordered pairs forming the relation is called is

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Domain

Range

Ordered paris

Relation

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similar images

distinct images

similar range

option a and c

Which of the following diagrams represent into function?

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Which of the following diagrams represent bijective function?

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If no two elements of ordred pair of a function from A into B are equal, then it is called

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surjective

injuctive

bijective

on to

If the number of elements in set A is n, and in set B is m, then the number of elements in AxB will

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n^m

mⁿ

m x n

m + n

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

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Addition is not operation on

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Natural numbers

Even numbers

odd numbers

set of integers

Which of the following is surjective

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The graph of a constant line is

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vertical line

parabola

circle

horizontal line

The set of first elements of the ordered pairs forming the relation is called its

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domain

range

ordered paris

relation

Which of the following represent injuctive function

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If no two elements of ordered pair of a functions from A into B are equal, then it is called.

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Surjective

Injuctive

Bijective

Onto

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

The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

A function f from A to B can be written as

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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

Identity element, if it exists, is

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inverse

unique

commutative

associative

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

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Function

Domain

Range

Binary relation

The identity function is

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surjective

injuctive

bijective

into

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

sets

The net of cartesian product AxB consists of

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domain

range

binary relation

ordered pair

A semi-group having an identity is called a

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groupoid

non-commutative

abelian

monoid

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bijective function

into function

onto function

surjective

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

N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

(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

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

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