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8th Class Chapter No 8 - Comparing Qunatities in Maths for CBSE NCERT

 Introduction to NCERT Solutions for Class 8 Maths Chapter 8

NCERT solutions helps you  break concepts into easy simple part enhance learning. NCERT solutions for class 8 Maths Chapter 8 are a comprehensive way to learn Maths. Furthermore, the solutions of NCERT are made by professional experts.A ratio is a comparison between two or more like quantitiesin the same units. This suggests that a ratio can be simplified by dividing its terms by the same number. Therefore: This suggests that the terms of a ratio can be multiplied by the same number. Quantity is a property that can exist as a multitude or magnitude. Quantities can be compared in terms of "more", "less", or "equal", or by assigning a numerical value in terms of unit of measurement.

NCERT Solutions for Class 8 Maths Chapter 8-Comparing Quantities

Students will study the increase or decrease in percentage,Sales value, market value, discount, profit, and loss. Furthermore, there is VAT tax, sales tax, and computing interest. NCERT solutions for class 8 maths chapter 8 will certainly help students.Chapter 8 Comparing Quantities escalates the calculation skills of a student even more. Above all, this chapter also increases the analytical skills of students. This chapter certainly helps students to increase their skills. Furthermore, Comparing Quantities enable students to be free of any device.Below is a brief explanation of the sub-topics of this chapter

Ratios and Percentages

This part certainly deals with Ratios and Percentages. The ratio refers to comparing two quantities. Percentage shows the ratio of one quantity with the total quantity.

To Find the Increase or Decrease percent 

Here calculation takes place. The calculation is certainly about an  increase or decrease in percentage. So, find out the difference between the two numbers being compared. Then divide the difference by original number and multiply by 100.

Finding Discounts

Discount  generally refers to the reduction given on Marked Price. Hence, it is to attract customers. Discount = Marked Price – Sale Price.

Estimation in Percentages

This certainly means estimating or finding Percentage.

Prices Related to Buying and Selling or Profit and Loss

Here one finds various prices. These prices relate to Buying and Selling.

Finding Cost Price/Selling Price, Profit% Loss% 

Nothing tricky about this part. It is exactly what it seems to be by its name. This deals with Cost Price, Selling Price, Profit%, And Loss%.

Sales Tax/Value Added Tax 

Sales Tax refers to a tax on the sale of products or services. Value Added Tax is a tax that is derived from incrementally.

Compound Interest

This refers to the addition of interest to the principal amount. Hence, it means the interest on interest.

Deducing a Formula for Compound Interest

Compound Interest = Total amount of PV and FV less PV
= [P (1 + i)n] – P
= P [(1 + i)n – 1]
(Where P = Principal, i = nominal annual interest rate in the percentage terms. Also, n = number of the compounding periods.)

Rate Compounded Annually or Half Yearly (Semi-Annually)

Annual is 12 months period. In contrast, half-yearly is for 6 months.

Applications of Compound Interest Formulas

Finally, here the performance of applications takes place. The applications are of Compound Interest.

Posted in 8th on February 13 2019 at 03:29 PM


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