Question # 1

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

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I

II

III

IV

Formula to determine the size of a class is:

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X_max - X_min

X_max + X_min

Range/number of groups

number of groups/Range

Power set of an empty set is:

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{a}

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

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{1,2}

{1,2,100}

{2}

{2,1}

If A and B are disjoint sets then AUB is equal to:

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A

B

BUA

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 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}

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}

N∪ W = ....................

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∅

{∅}

N

W

By definition, which of the following is a set?

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{a,b,c,d}

{1,2,3,2}

{l,m,n,o}

{0,1,2,3,1}

The number of elements in the power set of {1,2,3,4}.

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4

8

16

0

If x⊆ A and x∉ b, then { x } is equal to.............

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A - B

B - A

A∩ B

A^c

The different number of way to describe a set are.

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1

2

3

4

A∩ A^c= ...........................

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∪

A^c

∅

A

A collection of well-defined distinct objects is called.

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subset

Power set

Set

None of these

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)

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

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