Скачать или смотреть SIMPLE INTEREST | CLASS-1 | BY DEROZ SIR | SUBIR DAS MATH

📌 Topic: SIMPLE INTEREST– Subir Das Math Solution
📘 Taught by Deroz Sir

🔥 Master the most important concepts from Ratio & Proportion with smart tricks and easy explanations! Perfect for beginners and revision before exams.

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💡 What’s Covered in This Video:
🧠 Concept Explanation
📊 Short Tricks
📌 Previous Year Questions
✅ Practice for Accuracy & Speed

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