Question # 1

If R ={(0,2),(2,3),(3,4)} then Dom (R) is:

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

The complement of∪ is................

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∪

∅

impossible

Union

A set containing no element is called.

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subset

Empty set

Singleton set

Super set

The harmonic mean of the observation 0,15,12, is:

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3.7

7.3

6.7

no harmonic mean

A subset of A x A is called.................. in A.

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Set

Relation

Function

Info function.

The point (4,-6) lies in..................quadrant.

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I

II

III

IV

If set has 3 and B has 2 elements then number binary relations of A x B.

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2²

2⁸

2⁶

2³

Venn diagram was first used by......................

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John Venn

Netwon

Arthur Cayler

John Napier

Power set of empty set.

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∅

{a}

{∅,{a}}

{∅}

A set having only one member.

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Empty set

Power set

Singleton set

Sub set

If set a has 3 elements and B has 4 then A x B has __________ elements.

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3

4

12

7

If { x|x=p/q, q≠0,p,q∈Z} then this is a _____________

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Set of even numbers

Set of rational number

Set of irraional numbers

Set of integers

If B={1,2,100} and C = {2,100}, then B∩C = ________

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{1,2}

{1,2,100}

{2}

{2,1}

If A and B are disjoint sets then AUB is equal to:

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A

B

BUA

The set having only one element is called:

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Null set

Power set

Singleton set

Subset

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10th Class Mathematics Chapter 5 Sets and Functions English Medium KPK Boards Online MCQ's MCQs With Answers

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