Question # 1

By definition, which of the following is a set?

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{a,b,c,d}

{1,2,3,2}

{l,m,n,o}

{0,1,2,3,1}

If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________

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{1,2}

{1,2,3}

{a,b,c}

{a,c}

The point (-5,-7) 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

If variance is equal to 36 then the standard deviation will be:

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36

6

-6

none of these

If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________

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One - one function from A to B

A function A to A

Not a funtion

An onto function from A to B

A set with no element is called.

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Subset

Empty set

Singleton set

Super set

A∩ A^c= ...........................

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∪

A^c

∅

A

The relation {(a,b),(b,c),(a,d)} is....................................

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A function

Not a function

Range

Domain

If x⊆ A and x∉ b, then { x } is equal to.............

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A - B

B - A

A∩ B

A^c

Which of the following is distributive property of union over intersection?

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A∪ (B ∪ C) = A∪ (B∪ C)

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

If number of elements in set, A is 3 and in set B is 2 then number of binary relations in A x B is:

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2³

2⁶

2⁸

2²

The number of element in power set {1.2.3} is.

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4

8

6

9

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

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{1,2}

{1,2,100}

{2}

{2,1}

The different number of ways to describe a set are:

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1

2

3

4

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

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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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