Question # 1

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z is purely imaginary

a is any complex number

z is real

None of these

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Principle of equality of fractions

Rule for product of fractions

Golden rule of fractions

Rule for quotient of fractions

3/4 is ______

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An odd number

An even number

A natural number

A rational number

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1/3 is ______

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A prime number

An integer

A rational number

An irrational number

4/√49 is a

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Irrational Number

Prime Number

Rational number

Whole number

For any real numbers x,y,xy=o ⇒

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x ≠ 0 ∧ y ≠ 0

x = 0 ∨ y = 0

x = 0

y = 0

The multiplicative inverse ofx^(-1) is

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x

a-2

0

1

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

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Rule of quotient of fraction

Golden rule of fraction

Rule for product of fraction

Principle for equality of fraction

In polar form of complex number r =

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1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

The square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

If a is any real number and a = a is called

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symmetric property

Trichotomy Properties

Transitive Property

Reflexive Properties

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

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√5

√7

-1-2i

√3

It is not possible to find the exact value of

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π

√9

∛27

√1

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The multiplicative inverse of 0 is

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1

-1

0

Does not exist

14 is not a

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Prime number

Whole number

Even number

Real number

6 is

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A prime integer

An irrational number

A rational number

An odd integer

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

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

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(4,4)

(10,4)

(9,-5)

(7,3)

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Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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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

The order axioms are satisfied by set of

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C

C and R

R

None of these

Every real number is

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a positive integer

a rational number

a negative integer

a complex number

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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

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