UPSC IFoSLogical Reasoning & Analytical Ability
Logical Reasoning & Analytical Ability for UPSC IFoS
~25–30 questions — CSAT's biggest section, shared with CSE.
📊 ~25–30 Q · ~62–75 marks of CSAT (qualifying, 33% cutoff)
How toppers play this section
Blends analytical puzzle-solving (seating, blood relations, coding-decoding, series) with critical reasoning (statement-assumption, statement-conclusion). Practise them as two distinct sub-skills, not one undifferentiated 'reasoning' block.
Chapters
Built to the UPSC IFoS blueprint — notes, shortcuts, solved PYQ-style examples and practice in every chapter.
Topic-wise weightage in UPSC IFoS
Expected question counts from previous-year paper analyses. Topics with an arrow already have a full chapter.
| Topic | Prelims Q | Mains Q | Priority |
|---|---|---|---|
| How to crack Logical Reasoning for CSAT (diagram-first method) | — | Very high | |
| Analytical puzzles & critical reasoning | ~25–30 | Very high |
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UPSC IFoS Logical Reasoning & Analytical Ability — find a tutor
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