Question # 1

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n(A)

n(B)

0

1

A set having only one element is called

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An empty set

Universal set

A singleton set

A power set

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The set of complex numbers forms

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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

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A

B

A'B'

B'A

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

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

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

{ 4, 6}

{2,3,5,7}

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

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Addition

Multiplication

Division

Subtraction

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

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Equal sets

Equivalent sets

Over lapping sets

None of these

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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

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Improper subset of B

Super set of B

Proper subset of B

None of these

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

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

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{a}

∅

{∅,{a}}

{∅,a}

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square root function

identity function

linear function

quadratic function

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

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relation on A

relation on B

relation from A to B

relation from B to A

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Singleton set

A set with two points

Empty set

None of these

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

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2n

n²

n/2

2ⁿ

The set (Z, +) forms a group

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Forms a group w.r.t addition

Forms a group w.r.t multiplication

Non commutative group w.r.t multiplication

Doesn't form a group

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

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

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A

∅

Ac

U

{0} is a

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Empty set

Singleton set

Zero set

Null Set

The set of whole numbers is subset of

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The set on integers

The set of natural numbers

{1, 3, 5, 7, ....}

The set of prime numbers

Φ set is the _______ of all sets

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Subset

Union

Universal

Intersection

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

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Addition

Multiplication

Subtraction

None

Let A,B and C be any sets such that A∪B = A∪C and A∩ B = A∩ C then

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A = B

B = C

A≠ C

A ≠ B

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The number of different ways of describing a set is

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One

Two

Three

Four

The many subset can be formed from the set {a,b,c,d}

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8

4

12

16

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

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1

-1

+-1

0

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Addition

Subtraction

Multiplication

None of these

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