Question # 1

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archimedean property

transitive property

multiplicative property

The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

π, e are:

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integers

natural numbers

rationalnumbers

irrationalnumbers

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

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(-a, b)

(-a, -b)

(a, -b)

none of these

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

Conjugate of a- i b is:

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b + ia

-a + ib

-a - ib

a + ib

The identity element with respect to addition is:

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0

1

-1

0 and 1

The multiplicative identity of real numbers is:

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0

1

2

-1

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

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

Which of the following is correct:

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2 + 7i > 10 + i

1 + i > 1 - i

4 + 3i > 1 + 3i

none of these

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Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

Irrational numbers are:

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terminating decimals

non-terminating decimals

non-terminating, repeating decimals

non-terminating, non repeating

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integer

rationalnumber

irrationalnumber

naturalnumber

Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

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rationalnumber

irrationalnumber

naturalnumber

wholenumber

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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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i

0

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