Question # 1

If a 1-1 correspondence can be established b/w two sets A and B, then they are called

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Equal sets

Equivalent sets

Over lapping sets

None of these

A - B = ______

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Biconditional

Implication

Antecedent

Hypothesis

If S = {3,6,9,12.......}, then

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S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

If D = {a} , the P(D) =

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{a}

∅

{∅,{a}}

{∅,a}

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

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

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A

B

A'

None of these

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An empty set

Universal set

A singleton set

None of these

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

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Addition

Multiplication

Division

Subtraction

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

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True

False

Fallacious

Some times true

A = B if

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A is equivalent to B

Every set is an improper subset of

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Empty set

Equivalent set

Itself

Singleton set

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Which conjunction is not true ?

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A monoid (G, *) is said to be group if

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have identity element

is commutative

have inverse of each element

None of these

0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

The number of subset of {0} is

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1

2

3

None

The number of subsets of a set having three elements is

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4

6

8

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

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