Question # 1

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________

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One - one function from A to B

A function A to A

Not a funtion

An onto function from A to B

Which of the following is associative law of 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)

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

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

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Onto function

Into function

Not a function

One-One function.

The formula of range is:

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X_max -X_min

X_max + X_min

groups/wight

none of these

A collection of well-defined distinct objects is called.

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subset

Power set

Set

None of these

The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:

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Not a function

Onto function

One-One function

Into function

The formula of group data of the median is:

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l + h/f (n/2 -c)

l +∑fx/∑f x n,

l + f_m- f₁/2f_m - f₁ - f₂ x n,

A + ∑fu/∑f x n

A subset of A x A is called.................. in A.

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Set

Relation

Function

Info function.

N∩ W = ..................

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∅

{∅}

N

W

If union and intersection of two sets are equal then sets are..............sets.

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Disjoint

Overlapping

Equal

Super

A set with no element is called.

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Subset

Empty set

Singleton set

Super set

If A⊆ B and B⊆ a , then

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A = B

A≠ B

A∩ B =∅

A∪ B =∅

Point (-1,4) lies in quadrant:

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I

II

III

IV

(A⋃B)⋃C = ________

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A ⋂ (B⋃C)

(A⋃B)⋂C

A⋃ (B⋃C)

A⋂(B⋂C)

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

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