# HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

## AP Board Class 6 Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Book Answers

 AP Board Class 6 Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Book Answers

## Andhra Pradesh State Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Books Solutions

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## AP Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Check whether the following are in proportion? or not?
(a) 10, 12, 15, 18
(b) 11, 16, 16, 21
(c) 8, 13, 17, 19
(d) 30, 24, 20, 16
a) 10, 12, 15, 18
Given numbers are 10, 12, 15, 18.
If a, b, c, d are in proportion i.e., a : b :: c : d,
then product of extremes = product of means (a.d = b.c)

a : b :: c : d
10 × 18 = 12 × 15
180 = 180
If the product of extremes is equal to the product of means, then the given numbers are in proportion.
So, 10, 12, 15 and 18 are in proportion,

b) 11, 16, 16, 21
Given numbers are 11, 16, 16, 21.
If a, b, c, d are in proportion i.e., a : b :: c : d, then product of extremes = product of means (a.d = b.c)

11 × 21 = 16 × 16
231 ≠ 256
Here the product of extremes is not equal to the product of means, then the given numbers are not in proportion.
So, 11,16, 16 and 21 are not in proportion.

c) 8, 13, 17, 19
Given numbers are 8, 13, 17,19.
If a, b, c, d are in proportion i.e., a : b :: c : d,
then the product of extremes = product of means (a.d = b.c)

8 × 19 = 13 × 17
152 ≠ 221
Here the product of extremes is not equal to the product of means, then the given numbers are not in proportion.
So, 8,13, 17 and 19 are not in proportion.

d) 30, 24, 20, 16
Given numbers are 30, 24, 20, 16.
If a, b, c, d are in proportion i.e., a : b :: c : d,
then the product of extremes = product of means (a.d = b.c)
30 : 24 :: 20 : 16

480 = 480
Here the product of extremes is equal to the product of means, then the given numbers are in proportion.
So, 30, 24, 20 and 16 are in proportion.

Question 2.
Write true or false for each of the following.
a) 4 : 2 :: 14 : 7
b) 21 : 7 :: 15 : 5
c) 13 : 12 :: 12 : 13
d) 5 : 6 :: 7 : 8
a) 4 : 2 :: 14 : 7
Given proportion is 4 : 2 :: 14 : 7
If a, b, c, d are in proportion, then a.d = b.c

4 × 7 = 2 × 14
28 = 28
So, the given proportion is true.

b) 21 : 7 :: 15 : 5
Given proportion is 21 : 7 : : 15 : 5
If a, b, c, d are in proportion, then a.d = b.c

21 × 5 = 7 × 15
105 = 105
So, the given proportion is true.

c) 13 : 12 :: 12 : 13
Given proportion is 13 : 12 :: 12 : 13
If a, b, c, d are in proportion, then a.d = b.c

13 × 13 = 12 × 12
169 ≠ 144
So, the given proportion is false.

d) 5 : 6 :: 7 : 8
Given proportion is 5 : 6 :: 7 : 8
If a, b, c, d are in proportion, then a.d = b.c

5 × 8 = 6 × 7
40 ≠ 42
So, the given proportion is false.

Question 3.
Check whether the following form a proportion? Write middle terms and extremes where the ratios form a proportion.
a) 15 cm, 1 m and Rs. 45, Rs. 300
b) 20 ml, 2 l and Rs. 100, Rs. 10,000
a) 15 cm, 1 m and Rs. 45, Rs. 300
Given values are 15 cm, 1 m and Rs. 45, Rs. 300
Ratio of lengths = 15 cm : 1 m (convert metres into cm)
= 15 cm : 100 cm = 3 : 20 (write in simplest form)
Ratio of amounts = Rs. 45 : Rs. 300 = 45 : 300 = 3 : 20
The two ratios are equal.
So, 3 : 20 :: 3 : 20 They are in proportion.
Middle terms are 20, 3 and extremes are 3, 20.

b) 20 ml, 2 l and Rs. 100, Rs. 10,000
Given values are 20 ml, 2 l and Rs. 100, Rs. 10,000
Ratio of quantities = 20 ml : 2 l (convert litres into ml)
= 20 : 2000 (write in simplest form)
= 1 : 100
Ratio of amounts = Rs. 100 : Rs. 10,000 (write in simplest form)
= 1 : 100
The two ratios are equal.
So, 1 : 100 = 1 : 100
∴ They are in proportion.
Middle terms are 100, 1 and extremes are 1, 100.

Question 4.
Find the missing numbers in the following proportions.
a) 8 : 12 ::  : 48
b) 15 :  :: 105 : 98
c) 34 : 102 :: 27 :
a) 8 : 12 ::  : 48
Given proportion is 8 : 12 ::  : 48
Let the missing number = x
If the given numbers are in proportion, then
Product of extremes = Product of means

8 × 48 = 12 × x (or) 12x = 8 × 48

∴ Missing number in the proportion = 32

b) 15 :  :: 105 : 98
Given proportion is 15 :  : 105 : 98
Let the missing number = a
If the given numbers are in proportion, then Product of extremes = product of means

15 × 98 = 105 × a (or) 105 a = 15 × 98

∴ a = 14
Missing number in the proportion

c) 34 : 102 :: 27 :
Given proportion is 34 : 102 :: 27 :
Let the missing number = y
If the given numbers are in proportion,
then the product of extremes = product of means

Missing number in the proportion = 81

## Andhra Pradesh Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbooks for Exam Preparations

Andhra Pradesh Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 exam preparation. The AP Board STD 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbook Solutions

#### How to get AP Board Class 6th Maths Chapter 6 Basic Arithmetic Ex 6.2 Textbook Answers??

Students can download the Andhra Pradesh Board Class 6 Maths Chapter 6 Basic Arithmetic Ex 6.2 Answers PDF from the links provided above.

#### Can we get a Andhra Pradesh State Board Book PDF for all Classes?

Yes you can get Andhra Pradesh Board Text Book PDF for all classes using the links provided in the above article.

## Important Terms

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