Finding Rate of Interest (R) — Reverse Problems | ICSE Class 10 Maths | Ch.2 Banking

Master finding rate of interest (r) — reverse problems with step-by-step explanations and board exam problems. Covers: • Rearrange the RD formula to solve for R (rate of interest) • Identify when maturity value is given vs when interest is given • Solve systematic reverse problems step by step • Check answers by substituting back. ✅ Perfect for: ICSE Class 10 | IGCSE | O-Level | Selina Concise 🌍 Also great for IGCSE Cambridge students worldwide 📋 Board Papers: 2020, 2025, 2024 ⏱️ TIMESTAMPS: 0:00 – Opening 📝 HOMEWORK (Drop answer in comments!): 1. 17. Tanvy has RD for 1.5 years at 9% per annum. She gets ₹15,426 at maturity. How much per month has been invested? [Reverse R problem — first find I] 18. Punam opened RD with Bank of Baroda for 1.5 years at 6% p.a. Bank pays ₹11,313 on maturity. Find how much Punam deposited each month. 2. 19. Mr. Anil has RD account. He deposits certain amount per month for 2 years. He received interest whose value is double the deposit made per month. Find rate of interest. [Improvement Exam 2025] 20. Rahul deposited ₹11,700 in RD for 1.5 years. Amount deposited per month is: (a) ₹650 (b) ₹780 (c) ₹6,500 (d) ₹7,800. [Improvement Exam 2025] 🔗 FULL PLAYLIST: [Add link] 👉 NEXT: Video 3 - Finding Rate of Interest (R) — Reverse Problems 💬 LIKE if this helped! SUBSCRIBE for more ICSE Maths! #ICSE #Class10Maths #QuantumMath #IGCSE #BoardExam2026