Question # 1

i¹⁰¹=

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i

i²

-i

-1

Name the property used in 100 + 0 = 100

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Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

Name the property used in 1000 x 1 = 1000

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additive inverse

multiplicative inverse

additive identity

multiplicative identity

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

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Additive property of inequality

Commutative property

Additive inverse

Additive identity

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

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t. to addition

The product of complex numbers (a,b) and (c,d) is

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(ac, bd)

(ac-bd, ad+bc)

(ab,cd)

(ac+bd,ad-bc)

In R, the multiplicative identity is

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0

1

-1

None

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Closure law of addition

Associative law of addition

Commutative law of multiplication

Associative law of multiplication

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

There is no element common in

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N and W

E and W

N and O

Q and Q'

Any whole number can be written as a product of factors which are

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Even number

Odd numbers

Prime number

Rational number

√(-1b) =?

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b i

-i b

b2

i√b

If a > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

The identity element with respect to subtraction is

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0

1

-1

Does not exist

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1

-1

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

Rational number is a number which can be written as a terminating decimal fraction or a

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Non-terminating decimal fraction

Non-recurring

Recurring decimal fraction

a, b and c

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Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

Union of the sets of rational and irrational numbers is called 6th set of

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Natural numbers

Real numbers

Whole numbers

Prime numbers

Every real number is

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A complex number

A rational number

A natural number

A prime number

The negative square root of 9 can be written as:

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-√9

√9

√18

-√18

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 square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

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are real no

both are not real

are imaginary no

both are imaginary

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