Question # 1

0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

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none of these

The geometrical representation of a linear function is

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Circle

Parabola

Straight lie

None of these

The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

If B⊆ A, then complement of B in A is = -----------------------

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A-B

A∩B

B-A

A∪B

If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

To each element of a group there corresponds ............. inverse element

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Two

One

No

Three

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

The set of complex numbers forms

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Commutative group w.r.t addition

Commutative group w.r.t multiplication

Commutative group w.r.t division

Non commutative group w.r.t addition

Group of none-singular matrices under multiplication is

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None-Abelian group

Semi group

Abelian group

None of these

If a = {2m/2m < 9 ,m€ p} , the (n A) =

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{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

Power set of X i.e P(X)..........under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

Which of the following is the subset of all sets

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Φ

{1,2,3}

{Φ}

{0}

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

A function whose range is just one element is called

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One-one function

Constant function

Onto function

Identity function

The set which has no proper subset is

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{0}

{}

{∅}

None of these

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square root function

identity function

linear function

quadratic function

A monoid (G, *) is said to be group if

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have identity element

is commutative

have inverse of each element

None of these

The set (Q, .)

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

Which of the following is the definition of singleton

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The objects in a set

A set having no element

A set having no subset

None of these

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Natural numbers

Whole numbers

Integers

Rational numbers

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Other Links

ECAT Mathematics Chapter 23 MCQs With Answers

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