Question # 1

Which of the following is the subset of all sets?

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Φ set is the _______ of all sets

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Subset

Union

Universal

Intersection

For any set B,B∪B' is

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Is set B

Set B'

Universal set

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A = C

A = B

B = C

None of these

The graph of a linear function is

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a circle

triangle

a straight line

none of these

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Biconditional

Implication

Antecedent

Hypothesis

If S = {3,6,9,12.......}, then

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S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

The identity elements with respect to subtraction is

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0

1

-1

Does not exist

The negation of a number

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a relation

a function

unary operation

binary operation

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square root function

identity function

linear function

quadratic function

A function in which the second elements of the order pairs are distinct is called

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Onto function

One-one function

Identity function

Inverse function

A - B = ______

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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

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

Power set of X i.e P(X)..........under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

The complement of set A relative to universal set U is the set

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{x / x∈ A∧ x∈ U}

{x / x∉ A∧ x ∈ U}

{x / x∈ A and x ∉ U}

A-U

(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

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If a set S contains "n" elements then P (S) has ...... number of elements

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2ⁿ

2²ⁿ

2 . n

n²

Two sets A and B are said to be disjoint if

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What is the number of elements of the power set of {0, 1}

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1

2

3

4

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

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Singleton set

A set with two points

Empty set

None of these

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

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1

-1

0

Does not exist

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

A statement which is either true or false is called

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Induction

Deduction

Propositicon

Logic

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A

A'

U

None of these

In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

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45

30

25

50

The set R is ........w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

(A∪B)∪C= --------------------------

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A∩B(B∪C)

A∪(B∪C)

A∪(B∩C)

None of these

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

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