Question # 1

{0} is a

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Empty set

Singleton set

Zero set

Null Set

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Under multiplication, solution set of is

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Groupoid

Abelian group

Semi group

All of these

If B⊆ A, then complement of B in A is = -----------------------

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A-B

A∩B

B-A

A∪B

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

{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

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Addition

Multiplication

Division

Both addition and multiplication

A conditional "if p then q" is denoted by

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The set (Q, .)

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

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

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Singleton set

A set with two points

Empty set

None of these

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A = B

B = C

A = C

None of these

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

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99

odd integers

Even numbers

Infinite

For any set B,B∪B' is

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Is set B

Set B'

Universal set

The set which has no proper subset is

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{0}

{}

{∅}

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

The set {-1, 1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

{1, 2, 3, 4,.....} is set of ______

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Natural numbers

Whole numbers

Integers

Rational numbers

The number of subset of {0} is

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1

2

3

None

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

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

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 { {a, b} } is

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Infinite set

Singleton set

Two points set

Empty set

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

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Addition

Multiplication

Division

Subtraction

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

The set (Z, +) forms a group

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Forms a group w.r.t addition

Forms a group w.r.t multiplication

Non commutative group w.r.t multiplication

Doesn't form a group

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