🧮 BPSC Mental Ability
10 free chapters, in English and Hindi, in syllabus order. Each ends with a quiz that explains the tempting wrong answer as well as the right one.
Chapters
- Numerical Ability: Percentages, Ratios & AveragesThe objective paper includes "General Mental Ability" — simple maths and reasoning that many aspirants ignore and then lose easy marks on. The good news: the maths never…
- Logical Reasoning: Series, Coding & PuzzlesReasoning questions look like puzzles but are really pattern-spotting: the same seven or eight patterns appear again and again — number series, letter series,…
- Analytical Reasoning, Syllogism & PuzzlesSeries and coding questions reward memory of patterns. This chapter is different — here you must build a picture on paper and then read the answer off it. Syllogism…
- Data Interpretation & Data SufficiencyData Interpretation (DI) is the most generous topic in the whole paper. There is nothing to memorise — the answer is already sitting inside the table or the chart. All…
- Number System, HCF–LCM & SimplificationThis is the foundation floor of the whole maths section. Percentages, ratios and data questions all sit on top of it — but the number system also gives marks directly: a…
- Profit & Loss, Discount, Interest & PartnershipYou already know percentages from Chapter 1. This chapter simply takes that one idea to the marketplace — a shop, a bank, a business. Profit and loss is a percentage on…
- Time & Work, Pipes, Mixtures & AgesThese four topics look like four different chapters. They are not. Time and work, pipes and cisterns, mixtures, and ages are one idea wearing four costumes — in each of…
- Time, Speed, Distance, Trains, Boats & CalendarEverything in this chapter grows out of one line: Speed = Distance ÷ Time. Trains, boats, races, runners on a circular track — none of them is a new topic. Each is the…
- Geometry, Mensuration, Algebra & ProbabilityThis is the most formula-driven part of the mental ability paper — and that is good news. A polity question can be twisted a hundred ways; the area of a circle cannot.…
- Non-Verbal & Visual ReasoningNon-verbal reasoning asks you to think in shapes instead of words — mirror images, folded paper, dice, painted cubes, hidden figures. In the real question paper these…
Practise BPSC Mental Ability: mock tests and previous-year questions
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Official sources
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- Bihar Public Service Commissionbpsc.bihar.gov.in