Question # 1

Choose an answer

A rational number

A irrational number

An even integer

A factor of 36

Choose an answer

A rational number

An irrational number

An odd number

A prime number

If z₁ = (a,b), z₂=(c,d), then z₁ z₂ = -------------------

Choose an answer

(ac,bd)

(ac+bd, ad-bc)

(ac-bd , ad+bc)

(ac-bd , ad-bc)

Choose an answer

additive property

multiplicative property

additive identity

multiplicative identity

a.a^-1 = a^-1.a = 1 is a

Choose an answer

Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

Choose an answer

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

Choose an answer

Addition

Both a & c

Multiplication

None of these

Choose an answer

Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

Choose an answer

0

1

-1

2

The identity element with respect to subtraction is

Choose an answer

0

1

-1

Does not exist

i is equal

Choose an answer

(1 , 0)

(0 , 1)

(1 , 1)

(0 , 0)

∀x,y∈ R and x < 0, y < 0, which one is true

Choose an answer

xy < o

xy = o

xy > o

None of these

The negative square root of 9 can be written as:

Choose an answer

-√9

√9

√18

-√18

A prime number can be a factor of a square only if it occurs in the square at least

Choose an answer

Once

Thirce

Twice

None of these

Choose an answer

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

Every real number is

Choose an answer

a positive integer

a rational number

a negative integer

a complex number

Choose an answer

(x, y)

(kx, y)

(x, ky)

(kx, ky)

Choose an answer

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

Choose an answer

Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

24 can be written as a product of

Choose an answer

Odd factors

Even factors

Whole factors

Prime factors

The set of rationals numbers between 0 and I is

Choose an answer

Finite

Null set

Infinite

None of these

If z = (x,y) , then z ̅ =

Choose an answer

(-x,y)

(x,-y)

(-x, -y)

None of these

Decimal part of irrational number is

Choose an answer

Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

Choose an answer

A positive integer

A negative integer

A natural number

An irrational number

Choose an answer

Rule of quotient of fraction

Golden rule of fraction

Rule for product of fraction

Principle for equality of fraction

In R, the multiplicative identity is

Choose an answer

0

1

-1

None

Name the property used in 4.1 + (-4.1) = 0

Choose an answer

Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

For each real number, there is a number which is its

Choose an answer

Negative

Possitive

Opposite

Similar

4/√49 is a

Choose an answer

Irrational Number

Prime Number

Rational number

Whole number

More Classes

Other Links

ECAT Mathematics 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