Question # 1

Group of none-singular matrices under multiplication is

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None-Abelian group

Semi group

Abelian group

None of these

The negation of given number is a

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Binary operation

Unary operation

Relation

None of these

{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

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A

A'

U

None of these

Which conjunction is not true ?

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square root function

identity function

linear function

quadratic function

A monoid (G, *) is said to be group if

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have identity element

is commutative

have inverse of each element

None of these

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Write down the power set of {9, 11}

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The graph of a quadratic function is

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Circle

Straight line

Parabola

Triangle

The set { {a, b} } is

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Infinite set

Singleton set

Two points set

Empty set

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Which of the following has the same value as i113

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i

-1

-i

1

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

A∪(A∪B)= --------------------

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B

A

A∪B

None of these

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

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2n

n²

n/2

2ⁿ

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

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{x / x∈ A∧ x∈ U}

{x / x∉ A∧ x ∈ U}

{x / x∈ A and x ∉ U}

A-U

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

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3

6

8

15

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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a constant function

linear function

quadratic funtion

none of these

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A

A'

U

None of these

To each element of a group there corresponds ............. inverse element

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Two

One

No

Three

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

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If f:A→B is an injective function and second elements of no two of its ordered pairs are equal, then f is called

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1-1 and onto

Bijective

1-1 and into

None of these

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

Which symbolic notation represent unary operation ?

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-

∨

∧

⇔

The negation of a number

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a relation

a function

unary operation

binary operation

0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

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