Question # 1

If a = {2m/2m < 9 ,m€ p} , the (n A) =

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{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

Which of the following is the subset of all sets?

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The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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

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square root function

identity function

linear function

quadratic function

The negation of a number

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a relation

a function

unary operation

binary operation

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

-1-a

None of these

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Singleton set

A set with two points

Empty 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 of whole numbers is subset of

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The set on integers

The set of natural numbers

{1, 3, 5, 7, ....}

The set of prime numbers

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

Which of the following sets is finite

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The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

The set of real numbers between 0 and 1

The set of rational numbers between 0 and 1

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If T = {2,4,6,8,10,12}, then

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T = (First six natural numbers)

T = (First six odd numbers)

T = (First six real numbers)

T = ( First six even numbers)

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

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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

Multiplicative inverse of "1" is

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0

-1

1

{0, 1}

If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

For any set B, BUB' is

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Is set B

Set B'

Universal set

None of these

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≠ C

B = C

A = B

A≠ B

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

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Biconditional

Implication

Antecedent

Hypothesis

The graph of a quadratic function is

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Circle

Straight line

Parabola

Triangle

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

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a-b=ab

ab=a

a+b=ab

The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

The number of subsets of a set having three elements is

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4

6

8

none of these

The set which has no proper subset is

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{0}

{}

{∅}

None of these

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

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