Question # 1

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Golden rule of fractions

The value of i⁴ⁿ⁺¹

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1

-1

i

i²

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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

QUQ, =

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N

R

W

Z

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(a, b) + (-a, -b) =

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(0,0)

(a, b)

(-a, -b)

(1, 1)

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z is purely imaginary

a is any complex number

z is real

None of these

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

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Wholw number

Prime number

Even number

Odd number

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

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Reflexive property

Symmetric property

Transitive property

Additive property

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

(a +bi) -c (c +di) =

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(a +b) = (c +d)

(a +c) + i(b +d)

(a -c) + (c -d)i

(a -c) +(b -d) i

Every irrational number is

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A real number

A prime number

A natural number

An integer

The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

24 can be written as a product of

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Odd factors

Even factors

Whole factors

Prime factors

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The multiplicative inverse ofx^(-1) is

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x

a-2

0

1

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

The identity element with respect to subtraction is

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0

1

-1

Does not exist

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are real no

both are not real

are imaginary no

both are imaginary

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

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2ⁿ

2ⁿ²

2.n

n²

Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

I is not

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Real number

Natural number

Prime Number

Whole Number

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

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