Question # 1

If A=B, then

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A⊂B and B⊂A

A⊆B and B⊈A

A⊆B and B⊆A

None of these

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

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3

6

8

15

A - B = ______

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{x : xε Z and x < 1} is

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Singleton set

A set with two points

Empty set

None of these

For any set X, X∪X is

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X

X'

Φ

Universal Set

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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

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The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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{0} is a

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Empty set

Singleton set

Zero set

Null Set

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

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99

odd integers

Even numbers

Infinite

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

Power set of difference set N-W is

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Empty set

Infinite set

Singleton set

{0,∅}

The set {1, -1, 1, -1}, form a group under

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Addition

Multiplication

Subtraction

None

0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

In set builder notation the set {0, 1, 2, ............, 100} can be written as

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The set {1,-1, i, -i} form a group under

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Addition

Multiplication

Subtraction

None

If A and B are two sets then intersection of A and B is denoted by

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A

A'

U

None of these

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A finite set

An infinite set

An empty set

None of these

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

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An empty set

Universal set

A singleton set

None of these

Which of the following has the same value as i113

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i

-1

-i

1

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

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One-one function

Constant function

Onto function

Quadratic function

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An empty set

Universal set

A singleton set

None of these

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

The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

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a constant function

linear function

quadratic funtion

none of these

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ECAT Mathematics Chapter 2 Set Function and Groups Online Test MCQs With Answers

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