Category: Notes

The Baudhāyana Pythagoras Theorem Class 8 – Notes with Solved Examples

CLASS 8 MATHEMATICS • STUDY NOTES Baudhāyana Triples Right-Angled Triangles Having Integer Side Lengths Understand the Pythagorean theorem, the names of the sides of a right-angled triangle, primitive triples, scaled triples and solved examples. The Busy Brains WATCH THE LESSON Learn Baudhāyana Triples with The Busy

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Class 7 Operations with Integers | Addition & Multiplication Using Token Method

CLASS 7 MATHEMATICS Operations with Integers: Addition and Multiplication Using the Token Method Learn integer addition, zero pairs and multiplication using tokens and the bag method. Understand the rules with easy examples and solved questions from Ganita Prakash. The Busy Brains | Class 7 Maths Notes

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Class 10 Metals and Non-metals Notes | Important Questions & Quick Revision

THE BUSY BRAINS BY MANSI SARASWAT Class 10 Science: Metals and Non-metals Notes Chapter 3 | NCERT-Based Quick Revision Understand the physical and chemical properties of metals and non-metals, learn the reactivity series, revise important reactions and prepare for school, Pre-Board and CBSE Board examinations. IMPORTANT

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Class 9 Science Diversity and Classification Notes | Quick Revision

THE BUSY BRAINS • CLASS 9 SCIENCE Chapter 12: Patterns in Life – Diversity and Classification Have you ever wondered why a mushroom is not classified as a plant, even though it grows in soil? Or why a tiny bacterium is placed in a different group

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Class 10 Acids, Bases and Salts Notes

Class 10 Science Acids, Bases and Salts Notes | Quick Revision for Exams

Class 10 Science Chapter 2 Notes | Acids, Bases and Salts | CBSE Board Exam 2026–27 Prepare for your Class 10 Science and Chemistry examinations with these comprehensive, NCERT-based notes on Acids, Bases and Salts. This chapter explains the chemical properties of acids and bases, indicators,

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Chemical Reactions and Equations

Class 10 Science Chemical Reactions and Equations Notes

THE BUSY BRAINS | CBSE BOARD EXAM PREPARATION Class 10 Chemistry Chapter 1: Chemical Reactions and Equations Learn chemical reactions, balanced chemical equations, types of reactions, oxidation and reduction, corrosion and rancidity with these NCERT-based revision notes. These notes focus on important definitions, chemical equations, observations

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Class 10 Lifelines of National Economy Notes | Important Questions and Answers

Introduction to Lifelines of National Economy Transport, communication and trade are essential for the economic and social development of a country. Goods and services must move from places of production to places where people need them. Transport makes this movement possible, while communication helps people exchange

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Class 10 Manufacturing Industries Notes | Important Questions and Answers

About This Chapter Class 10 Geography Chapter 6, Manufacturing Industries, from NCERT Contemporary India–II explains how raw materials are transformed into more valuable finished products. It discusses the importance of manufacturing in economic development, classification of industries, agro-based and mineral-based industries, major manufacturing sectors in India,

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Class 10 Minerals and Energy Resources Notes | Important Questions

About This Chapter Class 10 Geography Chapter Minerals and Energy Resources explains the importance of minerals in everyday life and industrial development. It covers how minerals are formed, their different modes of occurrence, the distribution of important minerals in India, and the environmental problems caused by

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Class 10 Agriculture Notes | Important Questions and Answers

THE BUSY BRAINS • CLASS 10 GEOGRAPHY Agriculture – Class 10 Geography Notes Complete NCERT revision notes for Chapter 4 of Contemporary India – II. Understand types of farming, cropping seasons, major crops and agricultural reforms with clear explanations and exam-style practice. NCERT-Based Notes Topic-Wise Questions

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