Question # 1

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

A⊆ B then A-b = __________

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A

B

∅

B-A

If A ={0,1,2}, B={2,3,4,5} , then A∪B are:

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Empty sets

Equal sets

Overlapping sets

Disjoint set

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⊆ B and B⊆ a , then

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A = B

A≠ B

A∩ B =∅

A∪ B =∅

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

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36

6

-6

none of these

Sum of the deviations of values x from its mean is always ''i.e ∑(x-x̅)’is to equal:

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itself

zero

median

mode

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)

If A⊆ B then A⋃ B = __________

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A

B

∅

None of these

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

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A - B

A^c

A∩ B

B^c

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)

The complement of∪ is................

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∪

∅

impossible

Union

The point (4,-6) lies in..................quadrant.

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I

II

III

IV

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

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∅

{∅}

N

W

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

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1

2

3

4

If A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

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

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