Question # 1

A' U A = ____________:

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U

φ

A

A'

To write an empty set, we use the symbol:

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U

⊆

φ

∩

If "Z = set of integers " then this way of expressing set is called:

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Descriptive Form

Tabular Form

Set builder Form

Graphical Form

The complement of a set A can be written as:

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B \ A

A'

n (A)

A

If A = {1, 3} and B = {1, 2, 3}, then A U B = ___________:

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{1, 2, 3}

{1}

{}

{1, 3}

If A = {1, 2} and B = {a, b}, then A ∩ B = ____________:

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{1, 2,}

{a, b}

{1, 2, a, b}

{}

If a set is described with the help of a statement, it is called:

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Tabular Form

Verbal Form

Descriptive Form

Non-verbal Form

A Set cannot consists of:

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Living things

Moral values

Non living things

Numbers

If all elements of a set is listed within the braces, it is called:

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Verbal Form

Set builder form

Descriptive Form

Tabular Form

"B difference A" is represented by:

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A - B

A∩ B

B \ A

A U B

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Mathematics 7th Class Urdu Medium Chapter 1 Online Test MCQs With Answers

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