Question # 1

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

The many subset can be formed from the set {a,b,c,d}

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8

4

12

16

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

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True

False

Fallacious

Some times true

Let A and B be two sets. If every element of A is also an element of B then

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A

B

A'

None of these

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-x

Infinite set

{-4, 4}

None of these

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 = B

B = C

A≠ C

A ≠ B

The function {f(x,y)|y = ax2 +bx +c} is

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One-one function

Constant function

Onto function

Quadratic function

For any set B,B∪B' is

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Is set B

Set B'

Universal set

If A and B are two sets then any subset R of B x A is called

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relation on A

relation on B

relation from A to B

relation from B to A

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

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Irrational numbers

Even numbers

Rational numbers

Whole numbers

Under multiplication, solution set of is

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Groupoid

Abelian group

Semi group

All of these

The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

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A

B

U

None of these

A = B if

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A is equivalent to B

If a = {2m/2m < 9 ,m€ p} , the (n A) =

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{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

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1

12

5

29

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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

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

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0

1

2

3

{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

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A = B

B = C

A = C

None of these

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

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

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A

A'

U

If A = {x/x is a positive integer and 4≤x<23}, then A=

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{1,2,3,4,5,6,7}

{4,5,6...........22}

{1,2,3,.........23}

{1,2,3,4,5}

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

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

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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