Question # 1

The logic in which every statement is regarded as true or false and no other possibility is called

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Aristotelian login

Inductive logic

Non-Aristotelian logic

None of these

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

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 set {Z\ {0} } is group w.r.t

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Addition

Multiplication

Division

Subtraction

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

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 contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

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1/x

-x

2x

0.5 x

Z is a

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Infinite set

Finite set

Singleton set

Set of all integers

The set (Z,+) forms a group

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Forms a group w.r.t addition

Non commutative group w.r.t multiplication

Forms a group w.r.t multiplication

Doesn't form a group

The set which has no proper subset is

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{0}

{}

{∅}

None of these

The set of all positive even integers is

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Not a group

A group w.r.t subtraction

A group w.r.t division

A group w.r.t multiplication

The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

If A = {2m/m³= 8 , m€ Z} then A =

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{1,8,27}

{4}

(2,4,6}

{2,16,54}

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

Let A and B be two sets. If every element of A is also an element of B then

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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

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

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1

-1

+-1

0

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 (Q, .)

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

Write down the power set of {9, 11}

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A

A'

U

A A'

A function in which the second elements of the order pairs are distinct is called

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Onto function

One-one function

Identity function

Inverse function

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Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

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

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One-one function

Constant function

Onto function

Quadratic function

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

If A∩B=B, then n(A∩B) is equal to

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n(a)

n(a)+n(c)

n(c)

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

Every subset of a finite set is

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Disjoint

Null

Finite

Infinite

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