Question # 1

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

√-1 b=

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b

2

2b

None of these

Zero is

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An irrational number

A rational number

A negative integer

A positive number

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Closure law of addition

Closure law of multiplication

Commutative law of addition

Commutative law of multiplication

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-3 -2i

3 +2i

1 + 2i

1 - 2i

QUQ'

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Principle of equality of Fractions

Rule for product of fraction

Golden rule of fraction

Rule of quotient of Fraction

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

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(a + b)c = ac + bc

a + b = b + a

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

a(b +c) = ab + ac

∀ z ∈ C, multipliucative is

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(1,1)

(1,0)

(0,1)

None of these

QUQ, =

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N

R

W

Z

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additive property

multiplicative property

additive identity

multiplicative identity

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The symbol of irrational is

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W

N

Q

Q'

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15

15 i

-15 i

-15

I is not

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Real number

Natural number

Prime Number

Whole Number

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

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symmetric property

Trichotomy Properties

Transitive Property

Reflexive Properties

The conjugate of √5 i is

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√5

-√5 i

i

5i

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

1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

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1

-1

If Z = (1,2), then Z^-1= ?

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(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

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Rational

Irrational

Natural

Odd

14 is not a

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Prime number

Whole number

Even number

Real number

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-8

8

8i

32

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

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