Question # 1

The number of subset of {0} is

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1

2

3

None

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Singleton set

A set with two points

Empty set

None of these

For any set B,B∪B' is

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Is set B

Set B'

Universal set

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

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

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

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True

False

Fallacious

Some times true

The set of real numbers is a subset of

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The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

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

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

Additive inverse of -a -b is

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a

-a + b

a - b

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 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 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

{0} is a

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Empty set

Singleton set

Zero set

Null Set

The graph of a linear function is

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a circle

triangle

a straight line

none of these

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

If B-A≠φ , then n(B-A) is equal to

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n(a)+n(c)

n(c)-n(a)

n(a)-n(c)

None of these

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

The contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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

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{1, 2, 3, 4,.....} is set of ______

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Natural numbers

Whole numbers

Integers

Rational numbers

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

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Addition

Multiplication

Subtraction

None

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

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

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If z1 = 2 + 6i and z2 = 3 + 7i then which expression defines the product of z1 and z2

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36 +(-32)i

-36+32i

6+(-11)i

0, +(-12)i

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