Question # 1

The multiplicative invers of a non-zero real number a is:

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0

-a

a

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cancellation property w.r.t multiplication

cancellationproperty w.r.t addition

multiplicativeproperty

additiveproperty

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rational number

irrational number

natural number

whole number

Division of a natural number by another natural number gives:

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always a natural number

always an integer

always a rationalnumber

always an irrational number

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i

0

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Additive property

Multiplicativeproperty

Reflexiveproperty

Transitive property

Irrational numbers are:

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terminating decimals

non-terminating decimals

non-terminating, repeating decimals

non-terminating, non repeating

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

The additive inverse of a real number is a:

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0

-a

a

Conjugate of a- i b is:

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b + ia

-a + ib

-a - ib

a + ib

π is defined as:

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ration of diameter of a circle to its circumference

ration of the circumference of a circle to its diameter

ration of area of a circle to its circumference

ration of the circumference of a circle to its area

The set of all rational numbers between 2, 3 is:

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an empty set

an infinite set

a finite set

a power set

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x = 0, y = 0

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integer

rationalnumber

irrationalnumber

naturalnumber

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real numbers

complexnumbers

primenumbers

oddnumbers

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rationalnumber

irrationalnumber

naturalnumber

wholenumber

Modulus of 15 i + 20 is:

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20

15

25

none of the above

Multiplicative inverse of -i is:

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i

-i

1

-1

The imaginary part of the complex number a + bi is:

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a

b

bi

none of these

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archimedean property

transitive property

multiplicative property

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