Question # 1

The number of different ways of describing a set is

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One

Two

Three

Four

Φ set is the _______ of all sets

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Subset

Union

Universal

Intersection

The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

What is the number of elements of the power set of { }

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0

1

2

3

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

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1

-1

0

Does not exist

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Addition

Subtraction

Multiplication

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

If a set S contains "n" elements then P (S) has ...... number of elements

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2ⁿ

2²ⁿ

2 . n

n²

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

A - B = ______

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

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True

False

Ambiguous

Some times true

If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

The number of subset of {0} is

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1

2

3

None

Given X.Y are any two sets such that number of elements in X = 18, number of elements in set Y = 24,and number of elements in set X∪ Y =40,then number of elements in set x∩ Y =

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3

1

2

4

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

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True

False

Known

Unknown

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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A

B

U

None of these

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G = {e, a, b, c} is an Abelian group with e as identity element The order of the other elements are

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2,2,2

3,3,3

2,2,4

2,3,4

Let A,B, and C be any sets such that A∪B = A∪C and A∩B = A∩C then

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A≠ C

B = C

A = B

A≠ B

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Addition

Multiplication

Division

Both addition and multiplication

For any set X, X∪X is

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X

X'

Φ

Universal Set

if A = (x/x€ Q˄ 0 < x < 1}, the A is

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Infinite set

Finite set

Set of rational numbers

Set of real numbers

The graph of a linear function is

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a circle

triangle

a straight line

none of these

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

(A∪B)∪C= --------------------------

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A∩B(B∪C)

A∪(B∪C)

A∪(B∩C)

None of these

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A

A'

U

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