Mathematics MCQs Chapter 1 Class 11

Created on January 19, 2022

Chapter 1: Number Systems

1 / 27

(?, ?)(?, ?) =

8?

-15

−8?

15

2 / 27

For all ? ∈ ? , ? = ? is …. Property.

Symmetric

Reflexive

Transitive

Trichotomy

3 / 27

??/? is

a whole number

Irrational

an integer

Rational

4 / 27

Multiplicative inverse of ′?′ is

1

any real number

not defined

0

5 / 27

Golden rule of fraction is that for ? ≠ ?, ?/? =

??/?

??/??

??/?

??/b

6 / 27

The set {?, −?} possesses closure property ?. ?. ?

+

÷

×

−

7 / 27

The multiplicative identity of complex number is

(0,1)

(0,0)

(1,0)

(1,1)

8 / 27

For any complex number ?, it is always true that |?| is equal to:

| − ?|

|?|

all of these

| − ?|

9 / 27

If ? is any non-zero real number, then multiplicative inverse is

– ?

1/?

not defined

-1/?

10 / 27

A decimal which has a finite numbers of digits in its decimal part is called______ decimal.

Non-Terminating

Non recurring

Terminating

Recurring

11 / 27

For any complex number ?, it is always true that |?| is equal to:

| − ?|

|?|

all of these

12 / 27

The multiplicative inverse of (?, −?) is:

( 4/65, −7/65 )

(− 4/65,7/65 )

(4/65,7/65 )

(− 4/65, −7/65)

13 / 27

(−?)^−??/? =

– ?

-1

1

?

14 / 27

The modulus of ? = ? + ?? is

√(?2 + ?2)

√(?2 − ?2)

√(? + ?)

? − ?

15 / 27

?^?? equals:

– ?

-1

1

?

16 / 27

? is

Irrational

Rational

None

Natural number

17 / 27

For all ?, ? ∈ ? , ? = ? ⟹ ? = ? is called….. property.

Transitive

Reflexive

Trichotomy

Symmetric

18 / 27

The numbers which can be written in the form of ?/? , ?, ? ∈ ? , ? ≠ ? are :

Complex number

Rational number

Whole number

Irrational number

19 / 27

. If ? < ? then

? − ? > 0

? < ?

1/? > 1/?

1/? < 1/?

20 / 27

The additive identity in set of complex number is

(1,0)

(0,0)

(1,1)

(0,1)

21 / 27

The additive identity in set of complex number is

(1,0)

(0,0)

(0,1)

(1,1)

22 / 27

Every recurring decimal is

a whole number

an irrational number

a rational number

a prime number

23 / 27

√3 is __________

Prime

Integer

Irrational

Rational

24 / 27

The product of two conjugate complex numbers is

an imaginary number

not defined

may be an irrational number

A real number

25 / 27

A decimal which has a finite numbers of digits in its decimal part is called decimal.

(b) (c) (d)

Non recurring

Recurring

Non-Terminating

Terminating

26 / 27

The multiplicative identity of complex number is

(0,0)

(1,0)

(1,1)

(0,1)

27 / 27

A recurring decimal represents_____

Real number

Rational number

Natural number

None of these

Your score is

The average score is 60%

0%

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Mathematics MCQs Chapter 1 Class 11

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The additive identity in set of complex number is

A decimal which has a finite numbers of digits in its decimal part is called decimal.

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