Ex. 3.2 The World of Numbers | Ch-3 Class 9 Maths Ganita Manjari | Sanyam Bhayana

Complete solutions for Ex. 3.2 of Class 9 Maths Ganita Manjari Chapter 3 — The World of Numbers. Covers integers, Brahmagupta's laws of fortune (dhana) and debt (ṛiṇa), and operations on negative numbers using real-world examples. New NCERT 2026-27 syllabus. 📌 TELEGRAM (NOTES): https://t.me/+cbiN5dwvTSNkZTg1 📲 INSTAGRAM:   / sanyambhayanaclass9and10   ___________________________________________ ✅ QUESTIONS COVERED IN THIS LECTURE: Q1. The temperature in the high-altitude desert of Ladakh is recorded at 4°C at noon. By midnight, it drops by 15°C. What is the midnight temperature? Q2. A spice trader takes a loan (debt) of ₹850. The next day, he makes a profit (fortune) of ₹1,200. The following week, he incurs a loss of ₹450. Write this sequence as an equation using integers and calculate his final financial standing. Q3. Calculate the following using Brahmagupta's laws: (i) (−12) × 5 (ii) (−8) × (−7) (iii) 0 − (−14) (iv) (−20) ÷ 4 Q4. Explain, using a real-world example of debt, why subtracting a negative number is the same as adding a positive number (e.g., 10 − (−5) = 15). ___________________________________________ 📚 This lecture is useful for Class 9 students of CBSE, ICSE, UP Board, Bihar Board, MP Board, Haryana Board, Punjab Board, and all other state boards following the Ganita Manjari / NCERT syllabus for Session 2026-27. ___________________________________________ 👨‍🏫 ABOUT THE TEACHER: Sanyam Bhayana is a Class 12 State Topper (99.8%) and Gold Medalist from Shri Ram College of Commerce (SRCC), New Delhi. He has helped hundreds of students score 100/100 in board exams. ___________________________________________ ⏱ CHAPTERS: 0:00 Introduction 0:50 Q1 — Ladakh Midnight Temperature 2:32 Q2 — Spice Trader's Financial Standing 6:08 Q3 — Brahmagupta's Laws: Calculations 11:49 Q4 — Why Subtracting a Negative is Like Adding ___________________________________________ 💬 Got a doubt? Drop it in the comments — Sanyam Sir answers personally. ___________________________________________ 📂 CLASS 9 MATHS COMPLETE NCERT PLAYLIST: Class 9 Maths Ganita Manjari:    • CLASS 10 MATHS FULL COURSE (2026-2027)   ___________________________________________ Ex. 3.2 of Class 9 Maths Ganita Manjari Chapter 3 — The World of Numbers — explains integers and Brahmagupta's ancient laws of fortune and debt for adding, multiplying, and dividing negative numbers. Essential for CBSE, UP Board, Haryana Board, and all state boards using the new NCERT 2026-27 textbook. Ex 3.2 Class 9 Maths The World of Numbers, Ganita Manjari chapter 3 exercise 3.2, Brahmagupta laws class 9 maths, dhana rina integers class 9, fortune and debt class 9 maths, integers class 9 Ganita Manjari, negative numbers operations class 9, subtracting negative number class 9, class 9 maths chapter 3 solutions, Ganita Manjari class 9 new NCERT 2026-27, class 9 maths CBSE 2026, class 9 maths in Hindi, Sanyam Bhayana