Chapter 8: Comparing Quantities

Discount, tax, profit-loss, simple interest and compound interest.

0/3 topics

📖3Topics

📐4Formulas

🔬0Experiments

🎬2Videos

🔑9Key Terms

💡3Quick Facts

📘 About this chapter

Discount, tax, profit-loss, simple interest and compound interest.

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Learning Objectives

By end of this chapter you will:

Understand Discount and Marked Price and GST (Goods and Services Tax)

Apply 4 key formulas

Define: Marked price, Discount, GST

Solve NCERT exercises confidently

🔗 Prerequisites

📌Chapter 7 concepts

📊 Chapter Stats

Difficulty🔥 Intermediate

Est. Time36 min

Topics3

Formulas4

Experiments0

Progress0%

💡 Did You Know?

✦India introduced GST on 1st July 2017

✦Compound interest makes savings grow much faster over time

✦Rule of 72: money doubles in (72/rate) years at compound interest. At 8%: 72/8=9 years!

🔑 Key Terms(click any term for AI explanation)