Question # 1

U' = ________________

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U

A

A'

φ

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

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36

6

-6

none of these

If A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

A∩ A^c= ...........................

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∪

A^c

∅

A

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)

The Range of R

={(1,3),(2,2),(3,1)(4,4)} is.

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{1,2,4}

{3,2,4}

{1,2,3,4}

{1,3,4}

A collection of well-defined distinct objects is called.

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subset

Power set

Set

None of these

If B={1,2,100} and C = {2,100}, then B∩C = ________

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{1,2}

{1,2,100}

{2}

{2,1}

The range of {(a,a),(b,b),(c,c) is ..............

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{a,b}

{a,b,c}

{a}

∅

The set having only one element is called.

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Null set

Power set

Singleton set

Subset

x-coordinate of every pint on x-axis is.

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+ve

-ve

zero

1

The different number of way to describe a set are.

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1

2

3

4

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⊆ B then A⋃ B = __________

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A

B

∅

None of these

The number of elements of the power set {a,b} are.

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1

2

3

4

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

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I

II

III

IV

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

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