Question # 1

Power set of an empty set is.

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∅

{a}

{∅,{a}}

{∅}

If union and intersection of two sets are equal then sets are..............sets.

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Disjoint

Overlapping

Equal

Super

O∩ E = ....................

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∅

O

E

Z

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

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John Venn

Netwon

Arthur Cayler

John Napier

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

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∩ A^c= ...........................

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∪

A^c

∅

A

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

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Set

Relation

Function

Info function.

A⊆ B then A-b = __________

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A

B

∅

B-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

A^c

A∩ B

B^c

A histogram is g group/ set of adjacent:

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squares

circles

rectangle

cube

The set {x/x∈W ^x≤ 101} is.

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Infinite set

Sub set

Null set

Finite set

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

Which of the following is commutative law?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ B = B ∩ A

(A ∪ b)^c = A^c ∩ B^c

The geometric mean of the a observations 2,4,8, is:

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2

8

4

no geometric mean

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