Question # 1

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

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3.7

7.3

6.7

no harmonic mean

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

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4

6

8

9

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

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John Venn

Netwon

Arthur Cayler

John Napier

A collection of well-defined distinct objects is called.

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subset

Power set

Set

None of these

The set having only one element is called.

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Null set

Power set

Singleton set

Subset

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}

The set having only one element is called:

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Null set

Power set

Singleton set

Subset

E - O = ..................

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∅

O

E

Z

The domain of R = {(0, 2), (2, 3), (3, 3), (3, 4)} is:

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{0, 3, 4}

{0, 2, 3}

{0, 2, 4}

{2, 3, 4}

The different number of ways to describe a set are:

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1

2

3

4

The total of frequency up to an upper class limit or boundary is called:

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frequency

class frequency

cumulative frequency

relative frequency

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

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3

4

12

7

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

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A function

Not a function

Range

Domain

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

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Set

Relation

Function

Info function.

Point (-1,4) , lies in the quadrant.

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I

II

III

IV

y co-ordinate of every pint on x-axis is.

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+ve

-Ve

zero

1

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

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