RRB NTPC & Group D Maths Previous Year Question | RRB Group D | NTPC | ALP 2025 | RRB NTPC & Group D
RRB NTPC & Group D Maths Previous Year Question | RRB Group D | NTPC | ALP 2025 | RRB NTPC & Group D
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1️⃣ Number System & Simplification
✅ Types of Numbers (Natural, Whole, Prime, Composite, etc.)
✅ LCM & HCF (Least Common Multiple & Highest Common Factor)
✅ BODMAS Rule & Simplification
✅ Square & Cube Roots
✅ Surds & Indices
✅ Approximation
2️⃣ Percentage, Profit & Loss, and Discount
✅ Percentage Basics & Short Tricks
✅ Successive Percentage Change
✅ Profit & Loss Formula & Tricks
✅ Marked Price, Selling Price, and Cost Price Calculations
✅ Discount, Successive Discount
3️⃣ Ratio, Proportion & Partnership
✅ Concept of Ratio & Proportion
✅ Division & Distribution in Ratio
✅ Partnership (Simple & Compound)
4️⃣ Average & Allegation-Mixture
✅ Weighted Average & Shortcuts
✅ Questions on Combined Averages
✅ Allegation Rule & Mixture Problems
5️⃣ Time, Speed & Distance
✅ Basic Speed, Distance & Time Formula
✅ Train Problems
✅ Boat & Stream Questions
✅ Relative Speed Concepts
6️⃣ Time & Work | Pipes & Cisterns
✅ Work Efficiency Concepts
✅ Work & Wages
✅ Pipes & Cisterns Tricks
✅ LCM Method for Time & Work
7️⃣ Simple Interest & Compound Interest
✅ Formula-based Questions
✅ Difference Between SI & CI
✅ Compound Interest Growth Formula
✅ Installment Based Problems
8️⃣ Algebra & Equations
✅ Linear Equations (One & Two Variables)
✅ Quadratic Equations
✅ Algebraic Identities & Factorization
✅ Polynomials & Simplifications
9️⃣ Geometry & Mensuration
✅ Important Theorems on Triangles & Circles
✅ Pythagoras Theorem
✅ 2D Mensuration (Perimeter & Area of Triangle, Square, Rectangle, Circle)
✅ 3D Mensuration (Volume & Surface Area of Cylinder, Sphere, Cone, Cube, Cuboid)
🔟 Trigonometry & Heights-Distances
✅ Basic Trigonometric Ratios (sin, cos, tan)
✅ Trigonometry Table & Angle Values
✅ Trigonometric Identities
✅ Height & Distance Problems
1️⃣1️⃣ Data Interpretation & Statistics
✅ Bar Graphs & Pie Charts
✅ Line Graphs & Tabular DI
✅ Mean, Median, Mode
✅ Probability & Permutation Combination
🔥 How to Prepare for NTPC & Group D Maths?
✔️ Focus on Short Tricks & Speed Calculation
✔️ Practice Previous Year Questions (PYQs) Daily
✔️ Memorize Important Formulas & Concepts
✔️ Attempt Mock Tests & Analyze Mistakes
✔️ Use Vedic Maths for Quick Calculations
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