Question # 1

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

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z is purely imaginary

a is any complex number

z is real

None of these

π is ______

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A complex number

A rational number

A natural number

An irrational number

If in a set of real no a is additive identity then

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a+a = 2a

a+a = 1

a+a = 0

None of these

The order axioms are satisfied by set of

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C

C and R

R

None of these

∀ z ∈ C, multipliucative is

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(1,1)

(1,0)

(0,1)

None of these

A non-terminating non_recurring decimal represents an

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Irrational no

Both a & c

Rational no

None of these

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Name the property used in 1000 x 1 = 1000

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additive inverse

multiplicative inverse

additive identity

multiplicative identity

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

In (x +iy) y is called as

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Imaginary part

Complex number

Real part

None of above

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

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Wholw number

Prime number

Even number

Odd number

Every real number is

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a positive integer

a rational number

a negative integer

a complex number

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Set of whole number

Rational Numbers

Complex numbers

Whole numbers

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

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It is not possible to find the exact value of

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π

√9

∛27

√1

The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

(a,b) +(-a,-b) =

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(0,0)

(a,b)

(-a,-b)

(1,1)

Name the property used in a (b-c) = ab - ac

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commutative property of multiplication

distributive property of multiplication

associative property of multiplication

multiplicative inverse

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

1/3 is ______

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A prime number

An integer

A rational number

An irrational number

i⁹ =

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i²

-1

1

i

If 4 > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

None of above

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