Question # 1

Which symbolic notation represent unary operation ?

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-

∨

∧

⇔

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A

B

A'B'

B'A

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Singleton set

A set with two points

Empty set

None of these

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If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

If A = {2m/m³= 8 , m€ Z} then A =

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{1,8,27}

{4}

(2,4,6}

{2,16,54}

The set of rational numbers is subset of

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The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

A function whose range is just one element is called

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One-one function

Constant function

Onto function

Identity function

The negation of given number is a

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Binary operation

Unary operation

Relation

None of these

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

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Biconditional

Implication

Antecedent

Hypothesis

The set (Q, .)

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

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Addition

Subtraction

Multiplication

None of these

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

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Function on B

Range

Domain

A into B

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

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True

False

Fallacious

Some times true

Z is a group under

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Subtraction

Multiplication

Addition

None of these

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3

1

2

4

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

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Power set of X i.e P(X)..........under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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

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Addition

Multiplication

Division

Subtraction

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If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

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

The set of integer is

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Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

The set R is ........w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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