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

If there is one-one correspondence between A and B, then we write.

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A = B

A⊆ B

A⊇ B

A ∼ B

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

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{x / x∈ A∧ x∈ U}

{x / x∉ A∧ x ∈ U}

{x / x∈ A and x ∉ U}

A-U

{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

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

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True

False

Fallacious

Some times true

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The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

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

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1

-1

±1

0

Does not exist

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

The set which has no proper subset is

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{0}

{}

{∅}

None of these

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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

Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b∈G. then inverse of a is

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-a

a + 1

-2 -a

None of these

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For any set B,B∪B' is

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Is set B

Set B'

Universal set

The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

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A onto B

both a & c

A into B

none of these

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The negation of a number

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a relation

a function

unary operation

binary operation

A conditional "if p then q" is denoted by

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

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Addition

Multiplication

Division

Subtraction

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

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

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1

-1

0

Does not exist

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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