Question # 1

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

The set {-1,1} is closed under the binary operation of

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Addition

Multiplication

Subtraction

Division

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a constant function

linear function

quadratic funtion

none of these

If x = 1/x for x ∈ R then the value of x is

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±1

0

2

4

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

In set builder notation the set {0, 1, 2, ............, 100} can be written as

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

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1

-1

+-1

0

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A

B

A'B'

B'A

A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

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

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

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

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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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Conclusion

Implication

Antecedent

Hypothesis

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-x

Infinite set

{-4, 4}

None of these

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4

3

2

1

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Evert element of A is in B

Every element of B is in A

Every element of A is in B'

Every element of A is in A

Which of the following is the subset of all sets?

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1

12

5

29

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

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

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Addition

Multiplication

Division

Subtraction

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Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

The number of subsets of B = {1,2,3,4,5}

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10

32

16

5

The multiplicative inverse of x such that x = 0 is

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-x

Does not exist

1/x

±1

The number of different ways of describing a set is

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One

Two

Three

Four

Which of the following has the same value as i113

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i

-1

-i

1

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None of these

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