Question # 1

A statement which is either true or false is called

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Induction

Deduction

Propositicon

Logic

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Which of the following is the subset of all sets?

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For any set X, X∪X is

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X

X'

Φ

Universal Set

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

If x = 1/x for x ∈ R then the value of x is

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±1

0

2

4

The set which has no proper subset is

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{0}

{}

{∅}

None of these

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A function whose range is just one element is called

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One-one function

Constant function

Onto function

Identity function

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

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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 = B

B = C

A≠ C

A ≠ B

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

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Addition

Multiplication

Division

Subtraction

For any set B, BUB' is

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Is set B

Set B'

Universal set

None of these

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A

A'

U

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The sets {1, 2, 4} and {4, 6, 8, 10} are

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Equal sets

Equivalent sets

Disjoint sets

Over lapping sets

If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

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Addition

Multiplication

Division

Both addition and multiplication

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

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Conclusion

Implication

Antecedent

Hypothesis

Which of the following sets in infinite

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The set of students of your class

The set of all schools in Pakistan

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

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

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

If f:A→B is an injective function and second elements of no two of its ordered pairs are equal, then f is called

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1-1 and onto

Bijective

1-1 and into

None of these

The identity elements with respect to subtraction is

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0

1

-1

Does not exist

The set of complex numbers forms a group under the binary operation of

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Addition

Multiplication

Division

Subtraction

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If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =

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1

12

5

29

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

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