Question # 1

If A⊆ B and B⊆ a , then

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A = B

A≠ B

A∩ B =∅

A∪ B =∅

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

Coding formula of group data of the arithmetic mean is:

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X̅ = ∑fX/∑f

X̅ = ∑fD/∑f

X̅ = A + ∑fu/∑f x h

X̅ = A + ∑fu/∑f

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}

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}

A⊆ B then A-b = __________

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A

B

∅

B-A

The different number of ways to describe a set are:

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1

2

3

4

If set has 3 and B has 2 elements then number binary relations of A x B.

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2²

2⁸

2⁶

2³

The geometric mean of the a observations 2,4,8, is:

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2

8

4

no geometric mean

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 f is a function from A to B, then f is one - one function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

The total of frequency up to an upper class limit or boundary is called:

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frequency

class frequency

cumulative frequency

relative frequency

The set {x/x∈W ^x≤ 101} is.

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Infinite set

Sub set

Null set

Finite set

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)

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

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∅

{∅}

N

W

Collection of distinct objects.

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Subset

Power set

Set

None of the

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

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