Question # 1

The additive inverse of 0 is

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1

-1

0

Does not exist

Total number of subsets that can be formed out of the set {a,b,c} is

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1

4

8

12

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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A non-terminating non_recurring decimal represents an

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Irrational no

Both a & c

Rational no

None of these

i³ =

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-1

i

-i

1

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplication identity

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A rational number

A irrational number

An even integer

A factor of 36

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(√3+√5)+√7 = √3 +(√5 +√7) property used in above is

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t to adition

If z = (x,y) , then z ̅ =

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(-x,y)

(x,-y)

(-x, -y)

None of these

∀x,y∈R and x> 0 , y>0, if x > y

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None of these

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

The equation |x + 4| = x has solution

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x = -2

x = 2

x = -4

x = 4

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202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

In R the left cancellation property w.r.t addition is

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If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

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

The negative square root of 9 can be written as:

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-√9

√9

√18

-√18

The sum of complex number (a,b) and (c,d) is

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Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

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

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

Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

Every natural number is

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A prime number

An irrational number

An integer

An even number

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

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Wholw number

Prime number

Even number

Odd number

If Z = (1,2), then Z^-1 =?

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(0.2, 0.4)

(-0.2 ,0.4)

(0.2,-0.4)

(-0.2,-0.4)

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A natural number

A rational number

An irrational number

A whole number

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