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Detailed, exam-focused guides for UPSC, State PSCs, SSC, Railways, Banking, Defence, teaching and entrance exams. Free to read, no sign-up.

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Guides for 24 exams

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JEE MainPhysicsRotational dynamics for JEE MainTorque, moment of inertia and the axis theorems, τ = Iα, angular momentum and its conservation, equilibrium of rigid bodies and rolling, with derivations, worked JEE-style problems and a practice set. 7 min read·29 Sept 2026NEETPhysicsElectrostatics for NEETCoulomb's law, electric field and dipoles, Gauss's law and its three standard applications, potential and potential energy, conductors, and capacitors with dielectrics. Worked numericals and practice MCQs. 8 min read·29 Sept 2026CLATEnglish LanguageLiterary and fiction passages in CLATFiction and memoir extracts do not argue; they show. How to read for character, mood, point of view and figurative language, with an original literary passage, six worked questions and a practice extract. 9 min read·29 Sept 2026CATVARCOdd sentence out in CAT: how to find the one that does not belongFive sentences, four of which make a paragraph. How to build the paragraph first, spot the sentence that shares a keyword but shifts focus, and avoid the traps, with original worked sets. 6 min read·29 Sept 2026CTETChild Development & PedagogyIndividual differences among learners: sources and responsesNo two children learn in exactly the same way. The kinds of individual differences, where they come from, how a teacher finds them out, and how to plan a differentiated lesson, with CTET-style scenarios and practice MCQs. 7 min read·29 Sept 2026AFCATNumerical AbilityCompound interest for AFCAT: multipliers, CI–SI difference and half-yearly compoundingInterest on interest, done with multipliers. The amount formula, the CI–SI difference for two and three years, half-yearly compounding, rates that change each year, doubling questions and growth problems, with worked examples and a practice set. 5 min read·29 Sept 2026CDSMathematicsAverages and mixtures for CDSThink in totals, not averages. Correcting a wrongly copied value, a new member replacing an old one, required scores, alligation with profit, and repeated replacement. Six worked CDS-level questions and practice. 6 min read·29 Sept 2026NDAMathematicsProperties of triangles for NDAThe sine rule, cosine rule and projection formulas, every area formula, the circumradius and inradius, half-angle results and the special triangles. Results with conditions, worked NDA-style MCQs and practice. 7 min read·29 Sept 2026LIC AAOQuantitative AptitudePercentage for LIC AAOPercentages sit inside DI, profit and loss, interest and almost every word problem. Fraction equivalents, change on the right base, successive changes, "more than" versus "less than", percentage points, with eight worked examples and a practice set. 5 min read·29 Sept 2026RBI Grade BEconomic & Social IssuesEmployment and unemployment in IndiaIndia's job problem is less about open unemployment than about the quality of work. How the PLFS measures jobs, LFPR, WPR and the unemployment rate worked out, types of unemployment, informality, women's participation, labour codes and policy options, with a model answer and practice questions. 7 min read·29 Sept 2026SBI POQuantitative AptitudeCaselet DI for SBI POA caselet gives the data in a paragraph instead of a table. The method is to turn the paragraph into a two-way table before answering anything. The wording traps, a fully worked SBI PO-level caselet, an overlap caselet and a practice set with answers. 6 min read·29 Sept 2026IBPS ClerkNumerical AbilityProfit, loss and discount for IBPS ClerkCost price, selling price, marked price and discount. Four terms and a handful of formulas cover most profit and loss questions. The formulas and why they work, the CP = 100 method, mark-up with discount, false weights, six worked examples and eight practice questions. 5 min read·29 Sept 2026