Question # 1

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real numbers

complexnumbers

primenumbers

oddnumbers

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

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a

b

bi

none of these

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

Conjugate of complex number (-a, -b) is:

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(-a, b)

(-a, -b)

(a, -b)

none of these

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a + c = b + d

a + b = c + d

a - b = c - d

None of these

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rational number

irrational number

natural number

whole number

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0

i

-i

1

Every real number is also a/an:

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integer

rational number

irrationalnumber

complexnumber

Conjugate of a + i b is:

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-a + ib

a + ib

-a - ib

a - ib

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integer

rational number

irrational number

natural number

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x = 0, y = 0

i² + 1 =

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-1

0

i

1

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

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Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

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integer

rationalnumber

irrationalnumber

naturalnumber

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

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0

-a

a

Multiplicative inverse of -i is:

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i

-i

1

-1

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Product of a complex number and its conjugate is:

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a real number

irrationalnumber

a complexnumber

either real number or complexnumber

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closure property w.r.t multiplication

commutativeproperty w.r.t multiplication

associativeproperty w.r.t multiplication

trichotomy property

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