Question # 1

A⊆ B then A-b = __________

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A

B

∅

B-A

The domain of R = {(0, 2), (2, 3), (3, 3), (3, 4)} is:

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{0, 3, 4}

{0, 2, 3}

{0, 2, 4}

{2, 3, 4}

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

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

Power set of empty set.

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∅

{a}

{∅,{a}}

{∅}

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 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 A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

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

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U^c

A^c

∅^c

A - U

The domain of R = {(0,2),(2,3),(3,3)(3,4)} is.

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

A⋃(B⋂C) = ___________________

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(A⋃B) ⋂ (A⋃C)

A⋂ (B⋂C)

(A⋂ B)⋃ (A⋂C)

A⋃ (B⋃ C)

A set Q = {a/b} a, b∈ Z ^ b≠ 0} is called a set of.

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Whole numbers

Natural number

Irrational numbers

Rational numbers

The harmonic mean of the observation 0,15,12, is:

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3.7

7.3

6.7

no harmonic mean

A collection of well-defined distinct objects 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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