Question # 1

A non-terminating, non-recurring decimal represent

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A natural number

A rational number

An irrational number

A prime number

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Rational

Irrational

Natural

Odd

The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

In R, the additive inverse of a is

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0

1

-a

1/a

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a >b, b >c ⇒a >c is a

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Multiplicative property

Additive property

Trichotomy property

Transitive property of inequality

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

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

Every real number is

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A complex number

A rational number

A natural number

A prime number

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-8

8

8i

32

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Reflexive property

Symmetric property

Transitive property

Additive property

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It is not possible to find the exact value of

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π

√9

∛27

√1

O is ______

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A positive integer

A negative integer

A natural number

An integer

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

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

The conjugate of √5 i is

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√5

-√5 i

i

5i

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A natural number

A rational number

An irrational number

A whole number

14 is not a

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Prime number

Whole number

Even number

Real number

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The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

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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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

The set {0,-1} hold closure property under

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Addition

Both a & c

Multiplication

None of these

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

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(4,4)

(10,4)

(9,-5)

(7,3)

3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

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

Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

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

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(0,0)

(a, b)

(-a, -b)

(1, 1)

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additive property

multiplicative property

additive inverse

additive identity

i^-(4n+2)= -------------------------------

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1

i

-1

-i

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