Question # 1

Every real number is also a/an:

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integer

rational number

irrationalnumber

complexnumber

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Additive property

Multiplicativeproperty

Reflexiveproperty

Transitive property

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

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(-a, b)

(-a, -b)

(a, -b)

none of these

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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archimedean property

transitive property

multiplicative property

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x = 0, y = 0

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rational number

irrational number

natural number

whole number

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integer

rationalnumber

irrationalnumber

naturalnumber

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real numbers

complexnumbers

primenumbers

oddnumbers

The ordered pairs (2, 5) and (5, 2) are:

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not equal

equal

disjoint

empty

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Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

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

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

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

The multiplicative identity of real numbers is:

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0

1

2

-1

The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

Modulus of 15 i + 20 is:

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20

15

25

none of the above

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0

i

-i

1

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