Question # 1

Collection of distinct objects.

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Subset

Power set

Set

None of the

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.

If A⊆ B then A - B is equal to

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A

B

∅

If A and B are two disjoint sets then A⋃ b = ______

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A

B

∅

B⋃ A

A∪ A^c=..............

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∪

A

A^c

∅

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.

Which of the following is complete description of Real numbers?

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N∪ W = R

O∪ E = R

P∪ Q = R

Q∪ Q' = R

If number of elements in set, A is 3 and in set B is 2 then number of binary relations in A x B is:

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2³

2⁶

2⁸

2²

Point (-1,4) lies in quadrant:

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I

II

III

IV

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

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2

8

4

no geometric mean

N∩ W = ..................

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∅

{∅}

N

W

Venn diagram was first used by......................

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John Venn

Netwon

Arthur Cayler

John Napier

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

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 x∈ U and x∉ A, then {x} is equal to ....................

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U^c

A^c

∅^c

A - U

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

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

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