Question # 1

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0

1

-1

None of these

If Z₁= 1 + i, Z₂= 2+3i, then |Z₁- Z₂| = ?

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The square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 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 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

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A natural number

A rational number

An irrational number

A whole number

π is ______

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A complex number

A rational number

A natural number

An irrational number

∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is

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Trichotomy property

Transitive property

Symmetric property

Additive property

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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

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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QUQ, =

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N

R

W

Z

Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

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2.333....is a

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Irrational no

Complex no

Rational no

None of these

14 is not a

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Prime number

Whole number

Even number

Real number

Name the property used in 1000 x 1 = 1000

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additive inverse

multiplicative inverse

additive identity

multiplicative identity

In polar form of complex number r =

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

A prime number can be a factor of a square only if it occurs in the square at least

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Once

Thirce

Twice

None of these

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

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2ⁿ

2ⁿ²

2.n

n²

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

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Addition

Both a & c

Multiplication

None of these

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Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

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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

∀x, y ∈ R, either x = y or x > y or x < y is

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Transitive property

Reflexive property

Trichotomy property

None of these

∀a,b,c∈R and c>0,then

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a>b ⇒ ac < bc

a>b ⇒ ac > bc

a<b ⇒ ac > bc

None of these

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

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Name the property used in 4.1 + (-4.1) = 0

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Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

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