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## AP Board Class 7 Maths Chapter 6 Ratio Applications Ex 4 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 6 Ratio Applications Ex 4 Book Answers AP Board Class 7 Maths Chapter 6 Ratio Applications Ex 4 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 6 Ratio Applications Ex 4 Book Answers

## Andhra Pradesh State Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 Books Solutions

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## AP Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
In a school X, 48 students appeared for 10th class exam out of which 36 students passed. In another school Y, 30 students appeared and 24 students passed. If the District Educational Officer wants to give an award on the basis of pass percentage. To which school will he give the award?
Solution:
From the first school:
Number of students appeared for the exam = 48
Number of students passed = 36
as a percentage = 3648 × 100 = 75
Pass percentage = 75%

From the second school:
Number of students appeared = 30
Number of students passed = 24
Pass percentage = 2430 × 100 = 80%
As 80% > 75%
D.E.O should give award to the 2nd school.

Question 2.
Last year the cost of 1000 articles was ₹ 5000. This year it goes down to ₹ 4000. What is the percentage of decrease in price?
Solution:
Last year
Cost of 1000 articles = ₹ 5000
∴ Cost of one article = 50001000 = ₹ 5
This year
Cost of 1000 articles = ₹ 4000
∴ Cost of one article = 40001000 = ₹ 4
Decrease in price = ₹ 5 – ₹ 4 = ₹ 1
Decrease In percentage = 15 × 100% = 20%

Question 3.
Sri Jyothi has a basket full of bananas, oranges and mangoes. If 50% are bananas, 15% are oranges, then what percent are mangoes?
Solution:
Percent of bananas = 50%
Percent of oranges = 15%
∴ Percent of mangoes = 100% – (50% + 15%)
= 100% – 65% = 35%

Question 4.
64% + 20% + …..? = 100%
Solution:
(64% + 20%) +…………… = 100%
∴ ?=100% – 84% = 16%

Question 5.
On a rainy day, out of 150 students in a school 25 were absent. Find the percentage of students absent from the school? What percentage of students are present?
Solution:
Total students = 150
Number of students absent = 25
∴ Number of students present = 150 – 25 = 125 Question 6.
Out of 12000 voters in a constituency, 60% voted. Find hte number of people voted in the
constituency?
Solution:
Percentage of people who voted = 60% of I 2,000
∴ Number of people voted = 60×12000100 = 7,200

Question 7.
A local cricket team played 20 matches in one season. If it won 25% of them and lost rest. How many matches did it loose?
Solution:
Total number of matches played = 20
Matches won = 25%
∴ Matches lost = (100 – 25)% of total played
= 75% of 20
75×20100 = 15

Question 8.
In every gram of gold, a goldsmith mixes 0.25 grams of silver and 0.05 grams of copper. What is the percentage of gold, silver and copper in every gram of gold?
Solution:
In 1 gm
The quantity of silver = 0.25 gm
The quantity of copper = 0.05 gm
∴ The quantity of gold = 1 gm – (0.25 . 0.05)
= 1 – 0.3 = 0.7gm
∴ Percentage of gold = 0.71 × 100 = 70%
∴ Percentage of silver = 0.251 × 100 = 25%
∴ Percentage of copper = 0.052 × 100 = 5%

Question 9.
40% of a number is 800 then find the number?
Solution:
Let the number be = x
40% of x = 800
(i.e.,) 40×𝑥100 = 800
x = 800×10040
x = 2000
∴ The required number = 2000

## Andhra Pradesh Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 exam preparation. The AP Board STD 7th Maths Chapter 6 Ratio Applications Ex 4 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 6 Ratio Applications Ex 4 Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 7th Maths Chapter 6 Ratio Applications Ex 4 Textbook Solutions

#### 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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