| Chapter No. | Topic Name | Key Sub-Topics Covered | | :--- | :--- | :--- | | 1 | | Divisibility, Remainder theorem, Unit digit, Factorials | | 2 | LCM & HCF | Fractions, Decimals, Product of numbers | | 3 | Simplification | BODMAS, Fractions, Surds & Indices | | 4 | Average | Weighted average, Replacement, Temperature | | 5 | Percentage | Conversion, Successive percentage, Population growth | | 6 | Profit & Loss | CP/SP, Discount, Marked price, False weight | | 7 | Simple Interest | Principal, Rate, Time, Installments | | 8 | Compound Interest | CI vs SI, Half-yearly/Quarterly, Growth | | 9 | Ratio & Proportion | Partnership, Componendo/Dividendo | | 10 | Mixture & Alligation | Mean price, Mixing liquids, Replacements | | 11 | Work & Time | Efficiency, Alternate days, Pipes & Cisterns | | 12 | Speed, Time & Distance | Average speed, Relative speed, Boats, Trains | | 13 | Algebra | Linear/Quadratic eq., Identities, Factorization | | 14 | Geometry | Lines, Angles, Triangles, Circles, Polygons | | 15 | Mensuration (2D/3D) | Area/Volume of Cylinder, Cone, Sphere | | 16 | Trigonometry | Ratios, Identities, Height & Distance | | 17 | Data Interpretation | Bar/Line/Pie charts, Tables |
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In the labyrinthine world of competitive examinations in India—be it the Railway Recruitment Board (RRB), the Staff Selection Commission (SSC), or various state-level police and clerical exams—one name resonates with unparalleled authority when it comes to arithmetic: . | Chapter No
What makes SD Yadav's math approach unique is its . Unlike traditional textbooks that list problems randomly, this book categorizes every chapter into specific types of questions. This helps students recognize patterns and learn specific shortcuts for each variation of a problem, making it a favorite for those who feel intimidated by mathematics. Key Features and Content What makes SD Yadav's math approach unique is its