Question # 1

Formula of variance is group data is:

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If two sets have some elements common but not all are called......... sets

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Sub

OVERLAPPING

Disjoint

Super

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

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3

4

7

12

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

A and A^care.................................Set.

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Universal

Overlapping

Disjoint

Super

If A⊆ B then A⋃ B = __________

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A

B

∅

None of these

Number of elements in power set of {1,2,3}

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4

6

8

9

The different number of ways to describe a set are:

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1

2

3

4

Which of the following is distributive property intersection over union?

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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)

The measures that are used to determine the degree or extent of variation in a data set are called:

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central value

A.M

measures of dispersion

median

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

if A∩ b =∅, then set A and B are .................sets.

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sub

over kaooubg

Disjoint

Power

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

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 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

A'=_____________

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{x|x∈U^x∉A}

{x|x∈U^x∈A}

{x|x∉U^x∈A}

{x|x∉U^x∉A}

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Mathematics 10th Class English Medium Unit 5 Online Test MCQs With Answers

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