Question # 1

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 = -i

x = 2, y = 2

√25 is a number

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Rational

Irrational

Natural

Odd

6 is

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A prime integar

An irrational number

A rational number

An odd integer

i² =

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1

2

-1

0

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Every real number is

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A complex number

A rational number

A natural number

A prime number

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a = a

a < a

a > a

a²= a

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15

15 i

-15 i

-15

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real number

complex number

rational number

irrational number

The identity element with respect to subtraction is

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0

-1

0 and 1

None of thes

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

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0

1

-1

2

If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

a >b, b >c ⇒a >c is a

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Multiplicative property

Additive property

Trichotomy property

Transitive property of inequality

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

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(0,0)

(a,b)

(-a,-b)

(1,1)

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

0 (zero) is

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An irrational number

A rational number

A negative integer

A positive number

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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π is ______

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A complex number

A rational number

A natural number

An irrational number

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(7, 9) + (3, -5) =

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(4, 4)

(10, 4)

(9, -5)

(7, 3)

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A rational number

An irrational number

An odd number

A prime number

The decimal fraction in which we have finite number of digits in its decimal part is called.

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recurring decimal fraction

Non terminating faction

Non recurring fraction

terminating decimal fraction

3/2 is

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An irrational number

Whole number

A positive integer

A rational number

Multiplicative inverse of "1" is

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0

±1

1

{0,1}

The multiplicative inverse of (a,b) is

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If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

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15

15i

-15i

-15

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

I is not

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Real number

Natural number

Prime Number

Whole Number

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