Question # 1

If ∀a,b ε R,then a +b ε R is a property

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

For any real numbers x,y,xy=o ⇒

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x ≠ 0 ∧ y ≠ 0

x = 0 ∨ y = 0

x = 0

y = 0

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

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Addition

Both a & c

Multiplication

None of these

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A rational number

A natural number

An irrational number

An integer

The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

It is not possible to find the exact value of

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π

√9

∛27

√1

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

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(4, 4)

(10, 4)

(9, -5)

(7, 3)

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a = a

a < a

a > a

a²= a

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

Even

Odd

In (x +iy) y is called as

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Imaginary part

Complex number

Real part

None of above

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

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In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

QUQ, =

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N

R

W

Z

3/4 is ______

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An odd number

An even number

A natural number

A rational number

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x

y

There is no element common in

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N and W

E and W

N and O

Q and Q'

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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∀ z ∈ C, multipliucative is

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(1,1)

(1,0)

(0,1)

None of these

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The order axioms are satisfied by set of

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C

C and R

R

None of these

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If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

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

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Commutative law of multiplication

Multiplication identity

Associative law of multiplication

Multiplication inverse

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

i =

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z is purely imaginary

a is any complex number

z is real

None of these

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