Question # 1

Choose an answer

square root function

identity function

linear function

quadratic function

If x = 1/x for x ∈ R then the value of x is

Choose an answer

±1

0

2

4

The multiplicative inverse of -1 in the set {1-, 1} is

Choose an answer

1

-1

+-1

0

The set {x +iy / x, y ∈ Q} forms a group under the binary operation of

Choose an answer

Addition

Multiplication

Division

Both addition and multiplication

A disjunction of two statement p and q is true

Choose an answer

p is false

q is false

Both p and q are false

One of p and q is true

The set {-1,1} is closed under the binary operation of

Choose an answer

Addition

Multiplication

Subtraction

Division

The identity element of a set X with respect to intersection in P(x) is

Choose an answer

X

Does not exist

∅

None of these

The statement that a group can have more than one identity elements is

Choose an answer

True

False

Fallacious

Some times true

If B-A≠φ , then n(B-A) is equal to

Choose an answer

n(a)+n(c)

n(c)-n(a)

n(a)-n(c)

None of these

Which symbolic notation represent unary operation ?

Choose an answer

-

∨

∧

⇔

A set having only one element is called

Choose an answer

An empty set

Universal set

A singleton set

A power set

A∪(A∪B)= --------------------

Choose an answer

B

A

A∪B

None of these

Choose an answer

A = B

B = C

A = C

None of these

The set of even prime numbers is

Choose an answer

(2,4,6,8,10}

{2,4,6,8,10,12}

{1,3,5,7,9}

{2}

The set of the first elements of the orders pairs forming a relations is called its

Choose an answer

Relation in B

Range

Domain

Relation in A

The set of all positive even integers is

Choose an answer

Not a group

A group w.r.t subtraction

A group w.r.t division

A group w.r.t multiplication

If a 1-1 correspondence can be established b/w two sets A and B, then they are called

Choose an answer

Equal sets

Equivalent sets

Over lapping sets

None of these

The complement of set A relative to universal set U is the set

Choose an answer

Every subset of a finite set is

Choose an answer

Disjoint

Null

Finite

Infinite

{1, 2, 3, 4,.....} is set of ______

Choose an answer

Natural numbers

Whole numbers

Integers

Rational numbers

Choose an answer

An empty set

Universal set

A singleton set

None of these

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

Choose an answer

Function on B

Range

Domain

A into B

The set of months in a year beginning with S.

Choose an answer

{September, October, November}

Singleton set

Null set

Empty set

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

Choose an answer

Function on B

Range

Domain

A into B

If A and B are two sets then intersection of A and B is denoted by

Choose an answer

The set (Z, +) forms a group

Choose an answer

Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t multiplication

Doesn't form a group

The set of integer is

Choose an answer

Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

The set of complex numbers forms

Choose an answer

Commutative group w.r.t addition

Commutative group w.r.t multiplication

Commutative group w.r.t division

Non commutative group w.r.t addition

The negation of given number is a

Choose an answer

Binary operation

Unary operation

Relation

None of these

Additive inverse of -a -b is

Choose an answer

a

-a + b

a - b

a + b

More Classes

Other Links

Mathematics ECAT Pre Engineering Chapter 2 Set, Functions and Groups Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer