Question # 1

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

If 0 = {1,3,5.......}, then n (0) =

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99

odd integers

Even numbers

Infinite

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

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1

-1

±1

0

Does not exist

Which of the following is the subset of all sets

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Φ

{1,2,3}

{Φ}

{0}

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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

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

B

U

None of these

The set {x +iy / x, y ∈ Q} forms a group under the binary operation of

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Addition

Multiplication

Division

Both addition and multiplication

The set of complex numbers forms

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Commutative group w.r.t addition

Commutative group w.r.t multiplication

Commutative group w.r.t division

Non commutative group w.r.t addition

The number of proper subset of A ={a.b.c.d} is

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3

6

8

15

If p and q are two statements then their conjunction is denoted by

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The set of the first elements of the ordered pairs forming a relation is called its

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Function on B

Range

Domain

A into B

Which conjunction is not true ?

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{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

The set of real numbers is a subset of

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The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

For any two sets A and, A ⊆ B if

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x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

The identity element of a set X with respect to intersection in P(x) is

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X

Does not exist

∅

None of these

If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =

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5

{-3,-2,-1,0,1,2,3,4,5,6}

8

9

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≠ C

B = C

A = B

A≠ B

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