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NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities Chapter 8 is really important to learn as the basic knowledge of tax, interest, profit, loss and much more are conveyed in this chapter. The concepts discussed in this Chapter are: 1. Discount is a reduction given on marked price. Discount = Marked Price – Sale Price. 2. Discount can be calculated when the discount percentage is given. Discount = Discount % of the Marked Price 3. Additional expenses made after buying an article are included in the cost price and are known as overhead expenses. CP = Buying price + Overhead expenses 4. 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. 5. GST stands for Goods and Services Tax and is levied on the supply of goods or services or both. 6. Compound interest is the interest calculated on the previous year’s amount (A = P + I)
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Key Features of NCERT Solutions for Class 8 Maths Chapter 8 Comparing Quantities Learning the chapter Comparing Quantities enables the students to: • Slightly advanced problems involving applications on percentages, profit & loss, overhead expenses, Discount, tax. • Difference between simple and compound interest (compounded yearly up to 3 years or half-yearly up to 3 steps only), arriving at the formula for compound interest through patterns and using it for simple problems. • Direct variation – Simple and direct word problems • Inverse variation – Simple and direct word problems • Time & work problems– Simple and direct word problems List out the concepts present in Frequently Asked Questions on NCERT Solutions for Class 8 Maths Chapter 8? The NCERT Solutions for Class 8 Maths Chapter 8 deals with the concept of ratios and percentages, along with other main topics and concepts. The major concepts are listed below: 8.1 Recalling Ratios and Percentages 8.2 Finding the Increase or Decrease Per Cent 8.3 Finding Discounts 8.3.1 Estimation in percentages 8.4 Prices Related to Buying and Selling (Profit and Loss) 8.4.1 Finding cost price/selling price, profit % loss % 8.5 Sales Tax/ Value Added Tax 8.6 Compound Interest 8.7 Deducing a Formula for Compound Interest 8.8 Rate Compounded Annually or Half Yearly (Semi Annually) 8.9 Applications of Compound Interest Formula Is it enough NCERT Solutions for Class 8 Maths Chapter 8 for Class 8 Exams? Yes, NCERT Solutions for Class 8 Maths Chapter 8 is one of the best ways to strengthen one’s skills and knowledge. It contains all the relevant study material that can help the students score well in the examinations. NCERT Solutions for Class 8 Maths Chapter 8 is an important chapter from the examination perspective. A proper understanding of this chapter will further help the students with a few other chapters in the higher classes as well. The solutions are provided by the subject experts and are accurate. Every question is explained stepwise for a better understanding of the students. They can refer to these for reference purposes.