Question # 1

(A⋃B)⋃C = ________

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A ⋂ (B⋃C)

(A⋃B)⋂C

A⋃ (B⋃C)

A⋂(B⋂C)

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

Formula of variance is group data is:

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Which of the following is commutative law?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ B = B ∩ A

(A ∪ b)^c = A^c ∩ B^c

The domain of {(a,b),(b,c),(c,d)} is............

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{a,b,c}

{b,c,d}

{a,b}

{a,b,c,d}

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

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{1,2}

{1,2,100}

{2}

{2,1}

A∪ A^c=..............

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∪

A

A^c

∅

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

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into function

onto function

bijective function

function

N∩ W = ..................

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∅

{∅}

N

W

If x∈ A and x∈ B, then {x} is equal to .

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A - B

A^c

A∩ B

B^c

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

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4

8

16

0

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

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Onto function

In to function

Not a function

One-one function

O∪ E = ................

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∅

O

E

Z

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

the set {0,±1,±2,±3,........} is:

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Set of natural numbers

Set of whole numbers

Set of prime numbers

Set of integers

if A∩ b =∅, then set A and B are .................sets.

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sub

over kaooubg

Disjoint

Power

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

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