Question # 1

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

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Binary operation

Unary operation

group

multiplicative inverse

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

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multiplication

addition

subtraction

division

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

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A

B

D

r

The function denoted by 1/f called the

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Reciprocal function

Inverse function

Constant function

Reverse function

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

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

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

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

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surjective

injuctive

bijective

into

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

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Domain

Range

Function

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

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Domain

Range

Ordered paris

Relation

Which of the following diagrams represent bijective function?

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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 B are the same, then it is called

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surjective

injuctive

bijective

on to

The inverse of a line is

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inverse

Line

quadratic

Circle

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

Which of the following diagrams represent into function?

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A semi-group having an identity is called a

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groupoid

non-commutative

abelian

monoid

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

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

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surjective

injuctive

bijective

into

The group of a constant line is

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Vertical line

Parabola

Circle

Horizontal line

Addition is not operation on

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Natural numbers

Even numbers

odd numbers

set of integers

The net of cartesian product AxB consists of

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domain

range

binary relation

ordered pair

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

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

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domain

range

ordered paris

relation

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

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