Question # 1

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The solution set of the equation |3x + 2| = 5 is

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2/9,5/7∈ R,(2│9)(5│7)=10/63∈R this property is called

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Associative property

Identity property

Commutative property

Closure property w.r.t multiplication

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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15

15 i

-15 i

-15

If z₁= 2 + 6i and z₂= 3 + 7i, then which expression defines the product of z₁and z₂?

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36 + (-32)i

-36 + 32i

6 + (-11)1

0, +(-12)i

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0

1

-1

2

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A rational number

A irrational number

An even integer

A factor of 36

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If z₁ = (a,b), z₂=(c,d), then z₁ z₂ = -------------------

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(ac,bd)

(ac+bd, ad-bc)

(ac-bd , ad+bc)

(ac-bd , ad-bc)

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

If z=(x,y) then z has no multiplicative inverse when

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x ≠ 0, y = 0

x = 0, y = 0

x = 0, y ≠ 0

None of these

π is the ration of

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Area of a circle to its diameter

Area of a circle to its radius

Circumference of a circle to its diameter

Circumference of circle to its radius

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A rational number

A natural number

An irrational number

An integer

∀x, y ∈ R, either x = y or x > y or x < y is

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Transitive property

Reflexive property

Trichotomy property

None of these

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1

-1

Multiplicative inverse of "1" is

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0

±1

1

{0,1}

∀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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Associate law of addition

Commutative law of addition

Additive identity

Closure law of addition

A subset of set of complex number whose elements are of the form (a,0) is called

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Real number

Complex number

Rational number

Irrational number

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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1

3

2-i

-1

√25 is a number

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Rational

Irrational

Natural

Odd

The additive inverse of 0 is

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1

-1

0

Does not exist

Every irrational number is

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A real number

A prime number

A natural number

An integer

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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Additive property of inequality

Commutative property

Additive inverse

Additive identity

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