Question # 1

A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

A conditional is regarded as false only when the antecedent is true and consequent is

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True

False

Known

Unknown

The number of subset of {0} is

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1

2

3

None

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

A'

U

U'

If E = { } , then P(E)

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∅

{ }

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

(∅)

A monoid (G, *) is said to be group if

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have identity element

is commutative

have inverse of each element

None of these

Which of the following is the subset of all sets?

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Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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n(A)

n(B)

0

1

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A

B

U

None of these

The logic in which every statement is regarded as true or false and no other possibility is called

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Aristotelian login

Inductive logic

Non-Aristotelian logic

None of these

A disjunction of two statement p and q is true

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p is false

q is false

Both p and q are false

One of p and q is true

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none of these

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An empty set

Universal set

A singleton set

None of these

Write down the power set of {9, 11}

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A = B if

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A is equivalent to B

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b∈G. then inverse of a is

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-a

a + 1

-2 -a

None of these

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A

B

A'

None of these

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

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Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

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Addition

Multiplication

Division

Both addition and multiplication

A conditional "if p then q" is denoted by

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square root function

identity function

linear function

quadratic function

The set (Q, .)

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

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

Two sets A and B are said to be disjoint if

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If a 1-1 correspondence can be established b/w two sets A and B, then they are called

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Equal sets

Equivalent sets

Over lapping sets

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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Conclusion

Implication

Antecedent

Hypothesis

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Mathematics ECAT Pre Engineering Chapter 2 Set, Functions and Groups Online Test MCQs With Answers

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