Question # 1

If A is subset of U, then (A^c)^c= .........

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A

A^c

U^c

∅

The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}.

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{1,2,4}

{3,2,4}

{1,2,3,4}

{1,3,4}

Power set of empty set.

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∅

{a}

{∅,{a}}

{∅}

If set A has all its elements common with set B then set A is called...............set.

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Sub

Overlapping

Disjoint

Super

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

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I

II

III

IV

A⊆ B then A-b = __________

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A

B

∅

B-A

A collection of well-defined distinct object 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

Which of the following is De-Morgan's law?

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(A∪ B)∪ C = A∪ ( B∪ C)

(A∩B)^C= A^c∪ B^c

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

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

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Universal

Overlapping

Disjoint

Super

N∪ W = ....................

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∅

{∅}

N

W

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⋃B)⋃C = ________

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A ⋂ (B⋃C)

(A⋃B)⋂C

A⋃ (B⋃C)

A⋂(B⋂C)

If A⊆ B then A⋃ B = __________

Choose an answer

A

B

∅

None of these

Coding formula of group data of the arithmetic mean is:

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X̅ = ∑fX/∑f

X̅ = ∑fD/∑f

X̅ = A + ∑fu/∑f x h

X̅ = A + ∑fu/∑f

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

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Sub

OVERLAPPING

Disjoint

Super

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

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