Question # 1

A semi-group having an identity is called a

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groupoid

non-commutative

abelian

monoid

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

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surjective

injuctive

bijective

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

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

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A

B

∅

r

N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

Which of the following diagrams represent bijective function?

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The extraction of a cube root of a given number is a

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Binary operation

Unary operation

group

multiplicative inverse

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

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

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

The inverse of a line is

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inverse

Line

quadratic

Circle

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

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Domain

range

function

relation

Extraction of square root of a given number is a

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unary operation

binary operation

group

inverse function

Which of the following is surjective

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A function f from A to B can be written as

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The net of cartesian product AxB consists of

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domain

range

binary relation

ordered pair

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

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

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

(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

The identity function is

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surjective

injuctive

bijective

into

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