Question # 1

The multiplicative inverse ofx^(-1) is

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x

a-2

0

1

√2 is a number

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Rational

Irrational

Even

Odd

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

π is ______

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A complex number

A rational number

A natural number

An irrational number

(a^-1)^-1=

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a^-1

a

-a

None of above

6 is

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A prime integer

An irrational number

A rational number

An odd integer

The multiplicative inverse of 1 - 2i is

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i²=

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1

2

-1

0

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-8

8

8i

32

Every irrational number is

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A real number

A prime number

A natural number

An integer

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

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What is the conjugate of -7 -2i?

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-7 + 2i

7 + 2i

7 -2i

None of these

There is no element common in

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N and W

E and W

N and O

Q and Q'

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

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are real no

both are not real

are imaginary no

both are imaginary

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Closure law of addition

Associative law of addition

Commutative law of multiplication

Associative law of multiplication

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Name the property used in 4 + 9 = 9 + 4

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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0

1

-1

None of these

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Reflexive property

Symmetric property

Transitive property

Additive property

i =

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The additive identity of real number is

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1

2

1/2

0

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(x, y)

(kx, y)

(x, ky)

(kx, ky)

The set of positive integers, 0 and negative integers is known as the set of

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Natural numbers

Rational numbers

All integers

Irrational numbers

If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

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