Question # 1

Which of the following is the subset of all sets

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Φ

{1,2,3}

{Φ}

{0}

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A = B

B = C

A = C

None of these

For any set X, X∪X is

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X

X'

Φ

Universal Set

The contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

Multiplicative inverse of "1" is

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0

-1

1

{0, 1}

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Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

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

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Addition

none of these

Division

Subtraction

The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

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A conjunction of two statement p and q is true only if

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p is true

q is true

Both p and q are true

both p and q are false

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

The set {-1, 1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

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a-b=ab

ab=a

a+b=ab

For a set A, A∪Ac= ---------------------

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A

∅

Ac

U

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

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Relation in B

Range

Domain

Relation In A

For any two sets A and, A ⊆ B if

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x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

The function f{(x, y) | y = ax²+ bx + c} is

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One-one function

Constant function

Onto function

Quadratic function

What is the number of elements of the power set of {0, 1}

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1

2

3

4

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The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

The set of real numbers is a subset of

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The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

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3

1

2

4

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An empty set

Universal set

A singleton set

None of these

The set {1,-1, i, -i} form a group under

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Addition

Multiplication

Subtraction

None

Which of the following sets in infinite

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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

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A

A'

U

None of these

The set {-1,1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

What is the number of elements of the power set of { }

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0

1

2

3

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