Question # 1

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}

Which of the following is associative law of 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)

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

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I

II

III

IV

The set having only one element is called:

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Null set

Power set

Singleton set

Subset

N∩ W = ..................

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∅

{∅}

N

W

N∪ W = ....................

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∅

{∅}

N

W

Formula of variance is group data is:

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Collection of distinct objects.

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Subset

Power set

Set

None of the

If A and B are two disjoint sets then A⋃ b = ______

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A

B

∅

B⋃ A

(A∪B)∪C is equal to

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A∩ (B∪C)

(A∪B)∩C

A∪(B∪C)

A∩ (B∩C)

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

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36

6

-6

none of these

The relation {(1,2),(2,3),(3,3)(3,4)} is.

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Onto function

Into function

Not a function

One-One function.

The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:

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Not a function

Onto function

One-One function

Into function

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}

If f: A→ B and range of f= B , then f is an..............

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into function

onto function

bijective function

function

if A and B are disjoint sets , then A∪ B is equal to.

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A

B

∅

B∪ A

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

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