AP Board Class 7 Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Book Answers ~ HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

AP Board Class 7 Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Book Answers

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Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbooks Solutions PDF

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Andhra Pradesh State Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	7th
Subject	Maths
Chapters	Maths Chapter 7 Ratio and Proportion Ex 7.7
Provider	Hsslive

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AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Calculate the simple interest accrued on a sum oR 12600, at the rate of 9% per annum for 2 years.
Answer:
Given principle = ₹ 12600
Time = 2 years
Rate of Interest = 9%

∴ Simple Interest = ₹ 2268

Question 2.
Calculate the simple interest accrued for 3 years and the total amount on a sum of ₹ 85000, at the rate of 11% per annum.
Answer:
Given Principle = ₹ 85000
Time = 3 years
Rate of Interest = 11%

Simple Interest = ₹ 28,050
Total amount = Principle + Interest
= 85000 + 28050
∴ Total amount = ₹ 1,13,050

Question 3.
In what time will ₹ 45000 amounts to ₹ 63000, If the simple Interest Is calculated 10% per annum?
Answer:
Method 1:
Given principle = ₹ 45000
Rate of Interest = 10%
Amount = ₹ 63000
Let the time = x years

Interest = ₹ 4500 x
Amount = Principle + Interest
= 45000 + 4500x = 63000
= 4500x = 63000 – 45000 = 18000
⇒ x = 180004500 = 4
∴ Time = 4 years

Method 2:
Given A = ₹ 63000;
P = ₹ 45000; R = 10%; T=?
So I = A – P = 63000 – 45000 = ₹ 18000

But I = PTR 100
⇒ 18000 = 45000×𝑇×10100
∴ T = 18000×10045000×10 = 4 years

Question 4.
On a certain amount at the rate of 12% per annum for time 3 years the toti1 interest becomes ₹ 18000. What is the principal amount?
Answer:
Given Rate of Interest = 12%
Time.= 3 years
Interest = ₹ 18000
Let Principle = ₹ x

∴ Principle = ₹ 50,000

Question 5.
In what time the simple interest accrued on a sum of?35000 at the rate of 13% per annum becomes?27300?
Answer:
Given Principle = ₹ 35000 ;
Rate of Interest = 13% ;
Time = x years
Interest = ₹ 27300 .

Time = 6 years

AP Board Textbook Solutions PDF for Class 7th Maths

Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 exam preparation. The AP Board STD 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 7 Ratio and Proportion Ex 7.7 Books State Board syllabus with maximum efficiency.

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