Question # 1

The negation of a number

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a relation

a function

unary operation

binary operation

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

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1

-1

0

Does not exist

The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

Every set is an improper subset of

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Empty set

Equivalent set

Itself

Singleton set

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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

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3

6

8

15

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-x

Infinite set

{-4, 4}

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

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

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Which of the following has the same value as i113

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i

-1

-i

1

The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

A set having only one element is called

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An empty set

Universal set

A singleton set

A power set

The identity elements with respect to subtraction is

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0

1

-1

Does not exist

The identity element of a set X with respect to intersection in P(x) is

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X

Does not exist

∅

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

Which of the following is the definition of singleton

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The objects in a set

A set having no element

A set having no subset

None of these

Which of the following is the subset of all sets

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Φ

{1,2,3}

{Φ}

{0}

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

A conditional is regarded as false only when the antecedent is true and consequent is

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True

False

Known

Unknown

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

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Relation in B

Range

Domain

Relation in A

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A

B

U

None of these

The number of different ways of describing a set is

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One

Two

Three

Four

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A disjunction of two statement p and q is true

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p is false

q is false

Both p and q are false

One of p and q is true

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

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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

(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =

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5

{-3,-2,-1,0,1,2,3,4,5,6}

8

9

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