Question # 1

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

Z is a

Choose an answer

Infinite set

Finite set

Singleton set

Set of all integers

A∪(A∪B)= --------------------

Choose an answer

B

A

A∪B

None of these

The set (Q, .)

Choose an answer

Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

If n(A) = n then n(P(A)) is

Choose an answer

2n

n²

n/2

2ⁿ

Choose an answer

A

B

U

None of these

Choose an answer

Addition

Subtraction

Multiplication

None of these

Choose an answer

Under multiplication, solution set of is

Choose an answer

Groupoid

Abelian group

Semi group

All of these

Choose an answer

Group of none-singular matrices under multiplication is

Choose an answer

None-Abelian group

Semi group

Abelian group

None of these

Onto function is also called

Choose an answer

Binjective function

Injective function

Surjechive function

None of these

Choose an answer

A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

Choose an answer

square root function

identity function

linear function

quadratic function

Which of the following is the definition of singleton

Choose an answer

The objects in a set

A set having no element

A set having no subset

None of these

Which symbolic notation represent unary operation ?

Choose an answer

-

∨

∧

⇔

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

If P is a proposition then its negative is denoted by

Choose an answer

Let A and B be two sets. If every element of A is also an element of B then

Choose an answer

If A and B are two sets then any subset R of A x B is called

Choose an answer

relation on A

relation on B

relation from A to B

relation from B to A

If a set S contains "n" elements then P (S) has ...... number of elements

Choose an answer

2ⁿ

2²ⁿ

2 . n

n²

If D = {a} , the P(D) =

Choose an answer

{a}

∅

{∅,{a}}

{∅,a}

Choose an answer

A

A'

U

None of these

If S = {3,6,9,12.......}, then

Choose an answer

S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

Multiplicative inverse of 0 is

Choose an answer

0

1

+-1

Does not exist

Choose an answer

A finite set

An infinite set

An empty set

None of these

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

{0} is a

Choose an answer

Empty set

Singleton set

Zero set

Null Set

The set of rational numbers is subset of

Choose an answer

The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

More Classes

Other Links

ECAT Pre General Science Mathematics 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