Question # 1

Power set of empty set.

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∅

{a}

{∅,{a}}

{∅}

If R = {(0,0),(8,2),(10,3),(14,12)}, then Dom R = ___________

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{0,8,10,14}

{0,2,3,12}

{8,10,4}

{0,10}

Collection of distinct objects.

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Subset

Power set

Set

None of the

Power set of an empty set is:

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{a}

If set a has 3 elements and B has 4 then A x B has __________ elements.

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3

4

12

7

Which of the following is distributive property of union over 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)

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

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36

6

-6

none of these

Number of elements in power set of {1,2,3}

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4

6

8

9

If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________

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{1,2}

{1,2,3}

{a,b,c}

{a,c}

The date presented in the form of frequency distribution is called:

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distribution

grouped data

range data

regrouped data

W - N = ....................

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∅

{∅}

N

W

If number of elements in set, A is 3 and in set B is 2 then number of binary relations in A x B is:

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2³

2⁶

2⁸

2²

A∩ A^c= ...........................

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∪

A^c

∅

A

If A⊆ B then A∪ B is equal to

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A

B

∅

None of these

Formula of variance is group data is:

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Which of the following is distributive property intersection over union?

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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)

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

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