Question # 1

(A∪B)∪C= --------------------------

Choose an answer

A∩B(B∪C)

A∪(B∪C)

A∪(B∩C)

None of these

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

Choose an answer

domain

range

relation

function

If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =

Choose an answer

1

12

5

29

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

G = {e, a, b, c} is an Abelian group with e as identity element. The order of the other elements are

Choose an answer

2, 2, 2

3, 3, 3

2, 2, 4

2, 3, 4

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 set R is ______ w.r.t subtraction

Choose an answer

Not a group

A group

No conclusion drawn

Non commutative group

If P is a proposition then its negative is denoted by

Choose an answer

The number of proper subset of A ={a.b.c.d} is

Choose an answer

3

6

8

15

{0} is a

Choose an answer

Empty set

Singleton set

Zero set

Null Set

The logic in which every statement is regarded as true or false and no other possibility is called

Choose an answer

Aristotelian login

Inductive logic

Non-Aristotelian logic

None of these

{x|x∈R∧x≠x} is a

Choose an answer

Infinite set

Null set

Finite set

None of these

Choose an answer

Natural numbers

Whole numbers

Integers

Rational numbers

Choose an answer

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

Choose an answer

{x / x∈ A∧ x∈ U}

{x / x∉ A∧ x ∈ U}

{x / x∈ A and x ∉ U}

A-U

A function in which the second elements of the order pairs are distinct is called

Choose an answer

Onto function

One-one function

Identity function

Inverse function

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

Choose an answer

1

-1

+-1

0

If A is a subset of B and B contains at least one element which is not an element of A, then A is said to be

Choose an answer

Improper subset of B

Super set of B

Proper subset of B

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 { {a,b} } is

Choose an answer

Infinite set

Singleton set

Two points set

Empty set

Multiplicative inverse of 0 is

Choose an answer

0

1

+-1

Does not exist

Given X,Y are any two sets such that number of elements in set X = 28, number of elements in set Y = 28, and number of elements in set X∪Y = 54, then number of elements in set X ∩ Y =

Choose an answer

4

3

2

1

For any two sets A and, A ⊆ B if

Choose an answer

x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

The set of real numbers is a subset of

Choose an answer

The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

If a = {2m/2m < 9 ,m€ p} , the (n A) =

Choose an answer

{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

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

Choose an answer

{a}

∅

{∅,{a}}

{∅,a}

The set of complex numbers forms a group under the binary operation of

Choose an answer

Addition

none of these

Division

Subtraction

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

Choose an answer

Natural numbers

Whole numbers

Integers

Rational numbers

Which of the following sets in infinite

Choose an answer

The set of students of your class

The set of all schools in Pakistan

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

If B⊆ A, then complement of B in A is = -----------------------

Choose an answer

A-B

A∩B

B-A

A∪B

The set {-1, 1} is

Choose an answer

Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

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