Question # 1

Φ set is the _______ of all sets

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Subset

Union

Universal

Intersection

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A

B

A'B'

B'A

A function whose range is just one element is called

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One-one function

Constant function

Onto function

Identity function

Group of none-singular matrices under multiplication is

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None-Abelian group

Semi group

Abelian group

None of these

The set (Z, +) forms a group

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t multiplication

Doesn't form a group

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

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10

32

16

5

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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}

Which of the following has the same value as i113

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i

-1

-i

1

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

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

For a set A, A∪Ac= ---------------------

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A

∅

Ac

U

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

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

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

If A is a set then any subset R of A 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 z1 = 2 + 6i and z2 = 3 + 7i then which expression defines the product of z1 and z2

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36 +(-32)i

-36+32i

6+(-11)i

0, +(-12)i

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 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}

Under multiplication, solution set of is

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Groupoid

Abelian group

Semi group

All of these

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4

3

2

1

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A onto B

both a & c

A into B

none of these

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Power set of X i.e P(X) _______ under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

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 {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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none of these

The set of months in a year beginning with S.

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{September, October, November}

Singleton set

Null set

Empty set

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

The set which has no proper subset is

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{0}

{}

{∅}

None of these

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