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Data Sufficiency for CSAT
Crack data sufficiency in CSAT Paper II: the four verdicts, the sufficiency-not-solution rule, the alone-first method, classic traps, and practice questions with full solutions.
Data Interpretation for CSAT: Tables and PYQs
Read tables and charts the fast way: the five computations behind every DI question, percentage traps, per-day averages, and real UPSC PYQ sets solved step by step.
Pipes and Cisterns: Fill, Drain and Net Rate Tricks for CSAT
Master Pipes and Cisterns for CSAT Paper II: net rate, the LCM method, closed-early and half-tank patterns, speed-ratio pipes, plus PYQs and practice sets.