Question # 1

If Z₁ = 1+ i, Z₂ = 2+3i , then |Z₁ -Z₂| =?

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√5

√7

-1-2i

√3

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplication identity

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

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Which element is the additive inverse of (a, b) in Complex numbers?

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(a, 0)

(0, b)

(a, b)

(-a, -b)

Which element is the additive inverse of (a,b) in Complex numbers

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(a,0)

(0,b)

(a,b)

(-a,-b)

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A rational number

An irrational number

An odd number

A prime number

π is ______

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A complex number

A rational number

A natural number

An irrational number

Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.

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Fractinal numbers

Rational Numbers

Even Numbers

Whole Numbers

1/3 is a decimal

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Recurring

Terminating

Non-terminating

None of the above

(a,0) x (c, 0) =

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(0,ac)

(ac, 0)

(0,0)

(a, c)

Any recurring decimal represents a

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Irrational no

Integer

Rational no

None of these

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1

-i

i

0

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

The order axioms are satisfied by set of

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C

C and R

R

None of these

√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

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

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√23 is

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A rational number

A irrational number

An even integer

A factor of 36

i =

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√1

√2

√-2

√-1

√(-1b) =?

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b i

-i b

b2

i√b

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Golden rule of fractions

A non-terminating, non-recurring decimal represent

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A natural number

A rational number

An irrational number

A prime number

∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is

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Trichotomy property

Transitive property

Symmetric property

Additive property

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Principle of equality of fractions

Rule for product of fractions

Golden rule of fractions

Rule for quotient of fractions

4/√49 is a

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Irrational Number

Prime Number

Rational number

Whole number

The equation |x +4| = x has solution

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x = -2

x = 2

x = -4

x = 4

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

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(0,0)

(a, b)

(-a, -b)

(1, 1)

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