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RRB NTPC Study Material 2026-27 (CBT-1 + CBT-2)

Types of Numbers, Place Value and Face ValueDivisibility Rules and TestsFactors, Prime Factorisation and Number of DivisorsRemainder Theorem and Division AlgorithmUnit Digit and Cyclicity of PowersSurds and Indices

Fractions: Types, Operations and ComparisonDecimals and Recurring Decimals

HCF and LCM: Methods, Properties and FractionsHCF and LCM Word Problems: Remainders, Bells, Tracks and Tiles

Ratio: Combining, Comparing and Types of RatioProportion and Dividing a Quantity in a RatioRatio Word Problems: Income, Coins, Groups, Salaries, Mixtures and ScaleUnitary Method, Direct and Inverse Variation

Percentage Basics: Percent of a Number, Comparisons and Real-Life PercentagesPercentage Change: Successive Changes, Population, Consumption and Reverse Percentage

Profit and Loss: CP, SP, Overheads and Two-Article ProblemsDishonest Dealer: False Weights, Cheating and AdulterationDiscount and Marked Price: Successive Discounts, Offers and Markup

Simple InterestCompound InterestCI and SI Together: Difference, Comparison and Instalments

Average: Consecutive Numbers, Replacement, Runs, Wrong Entries and AgesWeighted Average: Combined Groups and Average SpeedMixture and Alligation

Time and Work: LCM Method, Efficiency, Partial Work and Alternate DaysPipes and Cisterns

Time, Speed and Distance: Basics, Late-Early, Relative Speed and StoppagesProblems on TrainsBoats and StreamsRaces and Circular Tracks

Area and Perimeter of TrianglesArea and Perimeter of Quadrilaterals: Rectangle, Square, Rhombus, Parallelogram, TrapeziumCircle: Circumference, Area, Wheels, Semicircles and RingsSector, Segment and Combined Figures

Cube and Cuboid: Volume, Surface Area, Diagonal, Rooms and BricksCylinder and Cone: Surface Area, Volume, Hollow Pipes and RatiosSphere and Hemisphere: Surface Area, Volume, Ratios and RecastingPrism, Pyramid, Combined and Cut Solids

Algebraic Identities: Squares, Cubes, x + 1/x and SimplificationLinear Equations and Linear InequalitiesPolynomials and Quadratic EquationsArithmetic and Geometric ProgressionsComponendo-Dividendo, Ratio Expressions and Maxima-Minima

Lines, Angles, Polygons and SymmetryTriangles: Angle Properties, Sides and PythagorasCongruence and Similarity of TrianglesCentres of a Triangle: Centroid, Incentre, Circumcentre, OrthocentreCircles: Chords, Angles, Tangents and Cyclic QuadrilateralsQuadrilaterals and Coordinate Geometry

Trigonometric Ratios and Standard AnglesTrigonometric Identities and Complementary AnglesHeights and Distances

Mean, Median, Mode and DispersionData Interpretation: Tables and Missing DataData Interpretation: Bar Graphs and Line GraphsData Interpretation: Pie Charts, Caselets and Mixed Sets

Partnership: Joining Later, Changing Capital and Working Partners

Problems on Ages: Ratios, Sums and DifferencesProblems on Ages: Multiples, Families, Averages and Digit Reversal

Simplification: BODMAS, Brackets, Roots and Continued FractionsApproximation, Missing Numbers and Operator Interchange