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NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities 

NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities are available for free on the askIITians website. You can download these solutions exercise-wise in just one click and practice the NCERT questions at your own pace. The Comparing Quantities chapter of Class 8 Maths NCERT book includes 3 exercises with 28 questions in total. There are also some solved examples in the chapter for you to understand how to approach and explain a solution. 

The askIITians Maths experts have created stepwise solutions for all 28 unsolved questions of the chapter for your better understanding. In case, if you are unable to solve any exercise question or if you are getting the wrong answer, just refer to our NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities and resolve your problem in a minute. The solutions are self-explanatory and allow you to learn independently at your own convenience. Let us now see the main topics included in the Comparing Quantities chapter of Class 8 Maths. 

About NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities

The main topics included in NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities are:

  • Ratios and percentages
  • Finding the increase and decrease per cent 
  • Finding discount 
  • Estimating percentages 
  • Profit and loss
  • Finding the selling price, cost price, profit% and loss%
  • Finding the sales tax/ value added tax/ goods and services tax
  • Finding the compound interest
  • Applications of compound interest

Here are some important points related to the above-mentioned topics that you must remember while solving the NCERT Class 8 Maths Comparing Quantities chapter:

  • Discount = Marked Price – Sale Price
  • Discount can be calculated when a discount percentage is given. Discount = Discount % of Marked Price
  • Additional expenses made after buying an article are included in the cost price and are known as overhead expenses.
  • CP or Cost Price = Buying price + Overhead expenses
  • Sales tax is charged on the sale of an item by the government and is added to the Bill Amount.
  • Sales tax = Tax% of Bill Amount
  • GST stands for Goods and Services Tax and is levied on the supply of goods or services or both. 
  • Simple Interest: Interest is the extra money paid by institutions like banks or post offices on money deposited (kept) with them. Interest is also paid by people when they borrow money.
  • Simple Interest = (P * R * n)/100, where P is the Principal, R is the rate of interest, n is the years. 
  • Compound Interest: Compound interest is the interest calculated on the previous year’s amount. 
  • Some common applications of compound interest are: 
    • To calculate the increase (or decrease) in population.
    • To find the growth of a bacteria if the rate of growth is known.
    • To calculate the value of an item, if its price increases or decreases in the intermediate years.

Download Class 8 Maths NCERT Solutions for Chapter 8 Comparing Quantities

The concepts included in this chapter are important from the competitive exams perspective as well. Questions related to profit and loss, cost price, selling price, discounts, and compound interest are often asked in competitive tests and olympiads to test your knowledge. So you must solve every problem given in this chapter carefully. Download the exercise-wise NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities from the links given below:

  • NCERT Class 8 Maths Chapter 8 Ex 8.1 Solutions - 6 Questions 
  • NCERT Class 8 Maths Chapter 8 Ex 8.2 Solutions - 11 Questions 
  • NCERT Class 8 Maths Chapter 8 Ex 8.3 Solutions - 12 Questions 

NCERT Class 8 Maths Chapter 8 Ex 8.1 

The first exercise of this chapter is based on the concept of ratios and percentages. There are 6 questions in this exercise where you are given the relation between two quantities. For instance, in question 1, you are given the speed of the cycle to the speed of the scooter and you have to find their ratio. Our NCERT Solutions include all the explanations for this exercise. 

NCERT Class 8 Maths Chapter 8 Ex 8.2

The second exercise of NCERT Class 8 Maths Comparing Quantities chapter is based on finding the increase or decrease per cent, discount, estimation in percentages, profit and loss and taxes. There are 11 questions in this exercise and all are word-problem type questions. So, you must read the word problems correctly and answer the questions. 

NCERT Class 8 Maths Chapter 8 Ex 8.3 

The third exercise of this chapter is based on compound interest and its applications. This is an important topic of the chapter that is why there are 12 questions given in this exercise. Read the word problems carefully as you answer the questions. Use our free NCERT solutions as a guide whenever you get confused in solving this exercise. 

Class 8 Maths NCERT Solutions for Chapter 8 Comparing Quantities FAQs

  • Why should I download the NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities? 

The NCERT Solutions can help you whenever you face any problem in solving the exercise questions of Chapter 8 Comparing Quantities. These solutions solidify your conceptual understanding of the chapter and make it easier for you to prepare for your Maths exam. This is why you must download the Class 8 Maths NCERT Solutions for Chapter 8 Comparing Quantities from askIITians. 

  • What other study resources are available for NCERT Class 8 Maths Chapter 8 Comparing Quantities?

Along with the NCERT Solutions, askIITians experts have prepared revision notes, mind maps, flashcards, mock tests and previous year questions for the Comparing Quantities chapter. We also provide live, interactive classes to students where you can study from the safety and comfort of your home. 

  • How many questions are there in the NCERT Class 8 Chapter 8 Comparing Quantities? 

NCERT Class 8 Maths Chapter 8 Comparing Quantities includes three exercises with a total of 28 unsolved questions. The chapter also includes 15 solved examples. 


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