Question # 1

π is ______

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A complex number

A rational number

A natural number

An irrational number

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

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√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

In R the left cancellation property w.r.t addition is

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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

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

The symbol of irrational is

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W

N

Q

Q'

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In R the right cancellation property w.r.t. addition is

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There is no element common in

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N and W

E and W

N and O

Q and Q'

Zero is

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An irrational number

A rational number

A negative integer

A positive number

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a.a^-1 = a^-1.a = 1 is a

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Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

The set {1,2,3,4......} is called

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Set of natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

√11 is

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an irrational number

Rational number

odd number

Negative number

i¹⁰¹ =

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i

i²

-i

-1

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

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(0,0)

(a, b)

(-a, -b)

(1, 1)

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

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Set of whole number

Rational Numbers

Complex numbers

Whole numbers

∀ z ∈ C, multipliucative is

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(1,1)

(1,0)

(0,1)

None of these

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

Commutative law of multiplication

Associative law of multiplication

The value of x, and y, when (x + iy)²= 5 + 4i

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X = 2, y = 1

X = -2, y = 1

X = 2, y = -1

X = 2, y = 2

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

0 (zero) is

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An irrational number

A rational number

A negative integer

A positive number

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8

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Associative property of addition

Associative property of multiplication

Additive identity

Multiplicative identity

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