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AP Board Class 7 Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Book Answers

AP Board Class 7 Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Book Answers
AP Board Class 7 Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Book Answers


AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 book solutions pdf online from this page.

Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks Solutions PDF

Andhra Pradesh State Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks. These Andhra Pradesh State Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.

Andhra Pradesh State Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Books Solutions

Board AP Board
Materials Textbook Solutions/Guide
Format DOC/PDF
Class 7th
Subject Maths
Chapters Maths Chapter 7 Ratio and Proportion Ex 7.3
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AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Find out whether the given quantities vary directly or inversely.
(i) Time taken to cover a distance, speed.
Answer:
Inversely proportional.

(ii) Area of land and its cost.
Answer:
Direct proportion.

(iii) Number of men for work, time taken to complete the work.
Answer:
Inverselv proportional.

(iv) Number of people, quantity of food grains each one gets (total quantity remains same).
Answer:
Inversely proportional.

(v) The length of a journey by bus and price of the ticket.
Answer:
Direct proportion.

Question 2.
If 24 men can construct a wall in. 10 days. In how many days will 15 men do it?
Answer:
If the number of men decreases working days will increase in the same proportion.
So, number of men and the working days are in inverse proportion.

Let the number of days to complete the work be ’x.

Number of mens Number of days
24 10
15 x

By taking inverse proportion,
24 : 15 = x : 10

Then, product of means = Product of the extremes
⇒ 15 × x = 24 × 10

⇒ x = 16
∴ 15 men will complete the wall in 16 days.

Question 3.
In a hostel there are food provisions for 50 girls for 40 days. If 30 more girls join the hostel, how long will the provisions last?
Answer:
If the number of girls increases, then number of days will decrease in the same proportion.
So, number of girls and the days for food provisions lost are in inverse proportion.
Let the number of food provisions days be ’x’.

Number of girls Number of days
50 40
50 + 30 = 80 x

By taking inverse proportion,
50 : 80 = x : 40
Then, product of means = Product of extremes
⇒ 80 × x = 50 × 40

⇒ x = 25
∴ Number of days required to com-plete the food provisions for 80 girls is 25 days.

Question 4.
Suman travels a distance for 5 hours with a speed of 48 kilometres per hour. If he wants to travel the same in 4 hours at what speed he should travel?
Answer:
If the time decreases, then the speed will increase in the same proportion. Let the speed to cover the distance in 4 hours is ’x’.

Time Speed (kmph)
5 48
4 x

By taking inverse proportion,
5 : 4 = x : 48
Then, Product of means = Product of extremes
⇒ 4 × x = 48 × 5

⇒ x = 60 kmph.
∴ Distance covered in 4 hours with the speed of 60 kmph.

Question 5.
A person has money to buy 8 bicycles of worth ₹ 4500 each. If the cost of the bicycle is decreased by ₹ 500, then how many bicycles cap he buy with the amount he has?

Answer:
If the cost of the bicyble decreases, then the number of cycles will increase in the same proportion.
Let the number of bicycles he can buy each with ₹ 4000 (4500 – 500) be ‘x’.

Cost of the bicycle Number of bicycles
4500 8
(4500-500) = 4000 x

By taking inverse proportion,
4500 : 4000 = x : 8
Then, Product of means = Product of extremes
⇒ 4000 × x = 4500 × 8
⇒ 4000𝑥4000=4500×84000 = 9
⇒ x = 9
∴ Number of bicycles bought with the same amount is 9.

Question 6.
2 pumps are required to fill a tank in 1 hour. How many pumps of the same type are used to fill the tank in 24 minutes?
Answer:
If the filling time decreases, then the number of pumps will increase in the same proportion.
Let the number of pumps to fill the tank be x.

Time taken to fill the tank Number of Pumps
1 hour (60 minutes) 2
24 minutes x

By taking inverse proportion,
60 : 24 = x : 2

Then, Product of means = Product of extremes
⇒ 24 × x = 60 × 2

⇒ x = 5
∴ Number of pumps required to fill the tank in 24 minutes is 5.

Question 7.
18 men can reap a field in 10 days. For reaping the same field in 6 days, how many more men are required?

Answer:
If the reaping days decreases, then the number of men increases in the same proportion.
Let the number of men required to reap the field in 6 days is x.

Number of mens Number of reaping days
18 10
x 6

By taking inverse proportion, 18 : x = 6 : 10
Then, Product of means = Product of extremes

∴ Number of men required to reap the field in 6 days = 30
Number of more men = 30 – 18 = 12
Therefore 12 more men required to reap the field in 6 days.

Question 8.
1200 soldiers in a checkpost had enough food for 28 days. After 4 days some soldiers were transferred to another checkpost and thus remaining food is sufficient for 32 more days. How many soldiers left the checkpost?

Answer:
If the number of soldiers decreases, then the number of days food lost will increases in the same proportion.
Let the number of soldiers after transfer is x.

After 4 days,

Number of Soldiers Enough Food days
1200 28 – 4 = 24
x 32

By taking inverse proportion, 1200 : x = 32 : 24
Then, Product of means = Product of extremes

∴ Number of Soldiers remained in the checkpost = 900
Number of Soldiers transferred = 1200 – 900 = 300
So, 300 soldiers left the checkpost


AP Board Textbook Solutions PDF for Class 7th Maths


Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 exam preparation. The AP Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Books State Board syllabus with maximum efficiency.

FAQs Regarding Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Solutions


How to get AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.3 Textbook Answers??

Students can download the Andhra Pradesh Board Class 7 Maths Chapter 7 Ratio and Proportion Ex 7.3 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.

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