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Chapter 1 - Mathematical Logic [Latest edition] Balbharati solutions for Mathematics and Statistics 1 (Commerce)

Chapter 1 - Mathematical Logic [Latest edition]

Balbharati solutions for Mathematics and Statistics 1 (Commerce)

12th Standard HSC Maharashtra State Board

State which of the following sentences is a statement. Justify your answer if it is a statement. Write down its truth value.

QUESTION

A triangle has ‘n’ sides

SOLUTION

It is an open sentence. Hence, it is not a statement.

[Note: Answer given in the textbook is ‘it is a statement’. However, we found that ‘It is not a statement’.]


QUESTION

The sum of interior angles of a triangle is 180°

It is a statement which is true. Hence, it’s truth value is T.

QUESTION

You are amazing!

It is an exclamatory sentence. Hence, it is not a statement.

QUESTION

Please grant me a loan.

It is a request. Hence, it is not a statement.

QUESTION

-4 is an irrational number.

It is a statement which is false. Hence, it’s truth value is F.

QUESTION

x2 − 6x + 8 = 0 implies x = −4 or x = −2.


QUESTION

He is an actor.


QUESTION

Did you eat lunch yet?


QUESTION

Have a cup of cappuccino.


QUESTION

(x + y)2 = x2 + 2xy + y2 for all x, y ∈ R. 


QUESTION

Every real number is a complex number.


QUESTION

1 is a prime number.


QUESTION

With the sunset the day ends.


QUESTION

1 ! = 0


QUESTION

3 + 5 > 11


QUESTION

The number π is an irrational number.


QUESTION

x2 - y2 = (x + y)(x - y) for all x, y ∈ R.


QUESTION

The number 2 is the only even prime number.


QUESTION

Two co-planar lines are either parallel or intersecting.


QUESTION

The number of arrangements of 7 girls in a row for a photograph is 7!.


QUESTION

Give me a compass box.


QUESTION

Bring the motor car here.


QUESTION

It may rain today.


QUESTION

If a + b < 7, where a ≥ 0 and b ≥ 0 then a < 7 and b < 7.


QUESTION

Can you speak in English?


Worksheets

UKG Worksheets 

English 

Handwriting practice sheets

Cursive Writing – Small Letters

Alphabet Tracing

Tracing

Positions

A TO Z WORKSHEET

A TO Z SMALL LETTERS

CVC Words Building

Write the First Letter of Given Picture

Circle the Correct Letter Worksheets

Circle the Cursive Letter Worksheets

Match the Letter with Correct Picture

Match the Picture with Cursive Letter

Circle two pictures that begin with same letter sound

Circle two pictures that begin with same letter sound (Cursive)

CVC Worksheets Letter ‘a’

CVC Worksheets Letter ‘e’

CVC Worksheets Letter ‘i’

CVC Worksheets Letter ‘o’

CVC Worksheets Letter ‘u’

Look and write with vowels a, e, i, o, u

Opposite Words

2 Letter words - sight words

Mathematics.

Trace Numbers 1 to 10

Additional Worksheet.

Additional Worksheet.

Additional Worksheet

Subtraction Worksheets

Count and Write Worksheets

Count and Match Worksheets

Count and Circle Worksheets

Fill in the Missing Number Worksheets

What Comes After & Between

Write Missing Numbers

Shape worksheets

Backward counting

Trace the numbers 1-10

Multiplication Sheet practice for Children

Counting practice from 1 to 100 Worksheet

Miscellaneous in Maths

Hindi

Hindi Alphabets. (Swar)

Hindi Alphabets. (Vanjan)

Colours name in Hindi | रंगों के नाम

Fruits name in Hindi | फलों के नाम

Vegetables name in Hindi | सब्जियों के नाम

Days in Hindi

Parts of Body

Hindi Swar Tracing Worksheets

Hindi Vyanjan Tracing Worksheets

Write the First Letter of picture - Hindi Swar Worksheets

Look and Match - Hindi Swar Worksheets

Circle the correct letter - Hindi Swar Worksheets

Write the first letter - Hindi Vyanjan Worksheets

Circle the Correct Letter - Vyanjan Worksheets

Choose the Right Image - Vyanjan Worksheets

Miscellaneous Hindi Worksheets

2 Letter Words Hindi Worksheets

3 Letter Words Hindi Worksheets

4 Letter Words Hindi Worksheets

AA (ा) – AA ki Matra | आ (ा) की मात्रा

i ( ि) - i ki Matra | इ ( ि) की मात्रा

EE ( ी) – EE ki Matra | ई ( ी) की मात्रा

U (ु) - U ki Matra | उ (ु) की मात्रा

O (ू ) – OO ki Matra | ऊ (ू) की मात्रा

E ( े) - E ki Matra | ए ( े ) की मात्रा

AI (ै) - AI ki Matra | ऐ (ै)की मात्रा

o ( ो) - o ki Matra | ओ (ो) की मात्रा

ou ( ौ) - ou ki Matra | औ ( ौ) की मात्रा

General Knowledge.

GK Worksheets

Nursery GK Worksheet

Creative Worksheets

Social Skills

Finger Puppets

Shapes

Good Or Bad

Match the following.

Match the fruit to its shadow. [5 Pages]

Match Letters [35 Pages]

Matching Worksheets

Sorting Worksheet

Shadow Matching

Match the uppercase letter to its lowercase [6 Pages]

Games.

Matching Cards

Freak - Out !!!

Freak - Out !!! 

Sudoku

Cut and Glue

Literature.

Nursery Rhymes

Cursive Alphabet Trace and Write

Letters A to G Upper and Lower Case Tracing Worksheet

Beginning Sounds. Kindergarten Worksheet

Cursive Writing Small Letters.

Capital Letters.

Small Letters.

Alphabet Trace.

Alphabet Trace and Write.

Alphabet Worksheet 

Consonant Vowel Consonant (CVC) Flashcards

Story PDF Download.

Two Cats and Clever Monkey

The Lion and the Rabbit

The Lion and the Mouse

Reading Passages PDF Download.

Reading Passages for Kids 

Coloring PDF Download.

Coloring for Fun.

Color Cute Dinosaurs

Color Cute Animals

Alphabet Coloring.

Coloring Images

Drawing

English Alphabet Color it. 

English Alphabet Color it and Match it with Pictures

Alphabet Color it. [26 Pages]

Alphabet Color it 2. [7 Pages]

English Alphabet Color it. 2 

Numbers PDF Download.

Numbers 1 to 10 Color it. [2 Pages]

1 to 10 Numbers Coloring. [4 Pages]

Flash Cards PDF Download.

Tell the Time Flash Cards [6 Pages]

Flashcards English vocabulary [12 Pages]

Alphabet Letters with Pictures [5 Pages]

Numbers Flash Cards. [5 Pages]

Shapes FlashCards. [4 Pages]

Colors FlashCards. [3 Pages]

English Alphabet Learning Flash Cards. [26 Pages]

Alphabet Flashcards. [26 Pages]

Alphabet Identification Flash Cards. [26 Pages]

….

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