FSC Mathematics MCQs Chapter 1 Class 12

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Created on January 19, 2022

Chapter 1: Number Systems

1 / 27

Golden rule of fraction is that for 𝒌 ≠ 𝟎, 𝒂/𝒃 =

𝑘𝑎/𝑘𝑏

𝑘𝑏/b

𝑎𝑏/𝑙

𝑘𝑎/𝑏

2 / 27

(𝟎, 𝟑)(𝟎, 𝟓) =

−8𝑖

8𝑖

-15

3 / 27

For all 𝒂, 𝒃 ∈ 𝑹 , 𝒂 = 𝒃 ⟹ 𝒃 = 𝒂 is called….. property.

Reflexive

Trichotomy

Symmetric

Transitive

4 / 27

The set {𝟏, −𝟏} possesses closure property 𝒘. 𝒓. 𝒕

−

5 / 27

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

not defined

– 𝑎

-1/𝑎

1/𝑎

6 / 27

The numbers which can be written in the form of 𝒑/𝒒 , 𝒑, 𝒒 ∈ 𝒁 , 𝒒 ≠ 𝟎 are :

Complex number

Irrational number

Rational number

Whole number

7 / 27

. If 𝒂 < 𝑏 then

𝑎 − 𝑏 > 0

1/𝑎 > 1/𝑏

1/𝑎 < 1/𝑏

𝑎 < 𝑏

8 / 27

For all 𝒂 ∈ 𝑹 , 𝒂 = 𝒂 is …. Property.

Transitive

Trichotomy

Reflexive

Symmetric

9 / 27

(−𝟏)^−𝟐𝟏/𝟐 =

-1

𝑖

– 𝑖

10 / 27

Multiplicative inverse of ′𝟎′ is

not defined

any real number

11 / 27

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

all of these

|𝑧|

| − 𝑧|

12 / 27

The modulus of 𝒛 = 𝒂 + 𝒊𝒃 is

𝑎 − 𝑏

√(𝑎2 + 𝑏2)

√(𝑎 + 𝑏)

√(𝑎2 − 𝑏2)

13 / 27

𝟐𝟐/𝟕 is

a whole number

Rational

an integer

Irrational

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𝝅 is

Rational

None

Irrational

Natural number

15 / 27

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

Recurring

Non-Terminating

Terminating

Non recurring

16 / 27

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

|𝑧|

all of these

| − 𝑧|

17 / 27

The multiplicative identity of complex number is

(1,0)

(0,0)

(0,1)

(1,1)

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𝒊^𝟏𝟑 equals:

𝑖

-1

– 𝑖

19 / 27

The additive identity in set of complex number is

(1,1)

(0,0)

(1,0)

(0,1)

20 / 27

The multiplicative inverse of (𝟒, −𝟕) is:

(− 4/65, −7/65)

(4/65,7/65 )

(− 4/65,7/65 )

( 4/65, −7/65 )

21 / 27

The multiplicative identity of complex number is

(0,1)

(0,0)

(1,0)

(1,1)

22 / 27

The additive identity in set of complex number is

(1,0)

(0,0)

(1,1)

(0,1)

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

(b) (c) (d)

Non recurring

Non-Terminating

Recurring

Terminating

24 / 27

Every recurring decimal is

a rational number

an irrational number

a prime number

a whole number

25 / 27

The product of two conjugate complex numbers is

an imaginary number

not defined

may be an irrational number

A real number

26 / 27

√3 is __________

Rational

Irrational

Integer

Prime

27 / 27

A recurring decimal represents_____

Natural number

None of these

Real number

Rational number

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The average score is 57%

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FSC Mathematics MCQs Chapter 1 Class 12

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.

Learn Anytime Anywhere

PakLearningSpot

One response to “FSC Mathematics MCQs Chapter 1 Class 12”

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FSC Mathematics MCQs Chapter 1 Class 12

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.

Learn Anytime Anywhere

PakLearningSpot

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One response to “FSC Mathematics MCQs Chapter 1 Class 12”

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