Question # 1

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

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- x

Infinite set

Φ

{-4,4}

Which of the following has the same value as i¹¹³?

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i

-1

-i

1

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additive property

multiplicative property

additive identity

multiplicative identity

The square roots of negative numbers is called

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Real no

Complex no

Positive no

Negative no

The set of natural no. is closed under

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multiplication

subtraction

difference

division

Geometrically, the modulus of a complex number represents its distance from the

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Point (1, 0)

Point (0, 1)

Point (1, 1)

Point (0, 0)

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(a + b)c = ac + bc

a + b = b + a

(a + b) + c = a + (b + c)

a(b +c) = ab + ac

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

Name the property used in 100 + 0 = 100

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Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

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Reflexive property

Symmetric property

Transitive property

Additive property

The set { 1 , -1} is closed w.r.t.

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Addition

Multiplications

Subtraction

None of these

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z is purely imaginary

a is any complex number

z is real

None of these

i⁹ =

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i²

-1

1

i

6 is

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A prime integer

An irrational number

A rational number

An odd integer

∀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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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

Geometrically the modulus of a complex number represents its distance from the

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Point (1,0)

Point (0,1)

Point (1,1)

Point (0,0)

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

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(4, 4)

(10, 4)

(9, -5)

(7, 3)

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i is equal

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(1 , 0)

(0 , 1)

(1 , 1)

(0 , 0)

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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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∀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

1/3 is a decimal

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Recurring

Terminating

Non-terminating

None of the above

The conjugate of √5 i is

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√5

-√5 i

i

5i

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x

y

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ECAT Pre General Science Mathematics Chapter 1 Number System Online Test MCQs With Answers

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