Question # 1

The set of even prime numbers is

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(2,4,6,8,10}

{2,4,6,8,10,12}

{1,3,5,7,9}

{2}

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

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A

∅

Ac

U

Multiplicative inverse of "1" is

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0

-1

1

{0, 1}

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None of these

If E = { } , then P(E)

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∅

{ }

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

(∅)

G = {e, a, b, c} is an Abelian group with e as identity element. The order of the other elements are

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2, 2, 2

3, 3, 3

2, 2, 4

2, 3, 4

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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

A function whose range is just one element is called

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One-one function

Constant function

Onto function

Identity function

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square root function

identity function

linear function

quadratic function

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A

B

A'B'

B'A

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

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One-one function

Constant function

Onto function

Quadratic function

If P is a proposition then its negative is denoted by

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If n(A) = n then n(P(A)) is

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2n

n²

n/2

2ⁿ

Write down the power set of {9, 11}

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The set of rational numbers is subset of

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The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

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A finite set

An infinite set

An empty set

None of these

If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

In a school, there are 150 students. Out of these 80 students enrolled for mathematics class, 50 enrolled for English class, and 60 enrolled for Physics class. The students enrolled for English cannot any other class, but the students of mathematics and Physics can take two courses at a time. Find the number of students who have taken both physics and mathematics

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40

30

50

20

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 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

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

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Relation in B

Range

Domain

Relation In A

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(A∪B)∪C= --------------------------

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A∩B(B∪C)

A∪(B∪C)

A∪(B∩C)

None of these

The set of natural numbers is a subset of

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{1, 2, 3, .... 100}

The set of whole numbers

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

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

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}

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

A statement which is either true or false is called

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Induction

Deduction

Propositicon

Logic

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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