Question # 1

The order axioms are satisfied by set of

Choose an answer

C

C and R

R

None of these

14 is not a

Choose an answer

Prime number

Whole number

Even number

Real number

Additive inverse of - a - b is

Choose an answer

a

-a + b

a - b

a + b

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

Choose an answer

Addition

Both a & c

Multiplication

None of these

Name the property used in 100 + 0 = 100

Choose an answer

Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

Choose an answer

are real no

both are not real

are imaginary no

both are imaginary

∀a,b, c ε R,a +c = b + c = > a = b

Choose an answer

Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

The set {1, 2, 3, 4, ....} is called

Choose an answer

Set of Natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

The square root of 2i - 20i is

Choose an answer

±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

√(-1b) =?

Choose an answer

b i

-i b

b2

i√b

Choose an answer

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

Choose an answer

(a+b) = (c+d)

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

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

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

The multiplicative inverse of 1 - 2i is

Choose an answer

In R, the multiplicative identity is

Choose an answer

0

1

-1

None

Choose an answer

202.04 is an example of

Choose an answer

Recurring decimals

Non-recurring decimals

Terminating decimals

None of above

Choose an answer

Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

Choose an answer

1

-1

In R the left cancellation property w.r.t addition is

Choose an answer

(x, y)

(kx, y)

(x, ky)

(kx, ky)

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

Choose an answer

(0,0)

(a, b)

(-a, -b)

(1, 1)

If ∀a,b ε R,then a +b ε R is a property

Choose an answer

Closure law of addition

Associative law of addition

Additive inverse

Additive identity

Every natural number is

Choose an answer

A prime number

An irrational number

An integer

An even number

Choose an answer

Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

Every irrational number is

Choose an answer

A real number

A prime number

A natural number

An integer

Every whole number is

Choose an answer

A real number

An irrational number

A prime number

A negative integer

Choose an answer

Union of the sets of rational and irrational numbers is called 6th set of

Choose an answer

Natural numbers

Real numbers

Whole numbers

Prime numbers

Every prime number is also

Choose an answer

Rational number

Even number

Irrational number

Multiple of two numbers

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer