Question # 1

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

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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

Which of the following is surjective

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Which of the following notation defines AxB

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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

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

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Domain

Range

Function

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

The inverse of a line is

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inverse

Line

quadratic

Circle

There will be no inverse if the function is

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one -to - one

One to many

onto

into

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

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Domain

Range

Ordered paris

Relation

N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

The group of a constant line is

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Vertical line

Parabola

Circle

Horizontal line

Function is a special type of

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relation

ordered pairs

Cartesian product

Set

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

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domain

range

ordered paris

relation

(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

Negation of a given number is an example of

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Binary operation

group

unary operation

function

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 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

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similar images

distinct images

similar range

option a and c

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

Which of the following diagrams represent into function?

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

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A

B

∅

r

Which of the following diagrams represent bijective function?

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

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