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UPSC CSE

UPSC Civil Services Examination (IAS). UPSC Prelims Paper II (CSAT) is a qualifying test requiring 33% (66/200 marks). No sectional divisions officially - it's an integrated 80-question paper covering comprehension, reasoning, and basic numeracy. Comprehension has dominated recent papers.

Authority: Union Public Service CommissionPattern reference: CSE 2026 referenceLast verified: 8 Aug 2026Official source

AISEA reviews these notes against the linked authority, but recruitment and examination rules can change between notifications. Always confirm the active cycle before applying.

Section breakdown

#SectionQuestionsTime
01Comprehension30Shared 120 min
02Logical Reasoning & Analytical Ability20Shared 120 min
03General Mental Ability15Shared 120 min
04Basic Numeracy & Data Interpretation15Shared 120 min

Timing and marking rules

80 questions, 200 marks, 120 min. Offline OMR-based. Negative marking: −0.83 per wrong answer (each Q = 2.5 marks). Qualifying threshold: 33% (66 marks). CSAT marks do NOT count in Prelims merit - Paper I (GS) determines ranking.

Topics by section

Comprehension

30 Q · Shared 120 min
English Language Comprehension (Class X level)Passage-based QuestionsInference Questions Main Idea Identification

Logical Reasoning & Analytical Ability

20 Q · Shared 120 min
Deductive Reasoning Inductive Reasoning Analytical Reasoning Logical Puzzles Data Sufficiency Statement and Assumption Statement and Conclusion Statement and Argument Cause and Effect

General Mental Ability

15 Q · Shared 120 min
Number Series Letter Series Analogies Coding-Decoding Classification Direction Sense Blood Relations Seating Arrangement Venn Diagrams Calendars Clocks

Basic Numeracy & Data Interpretation

15 Q · Shared 120 min
Number System Simplification Percentage Ratio and Proportion Profit and Loss Time and Work Time and Distance Average Permutation and Combination Probability Data Interpretation Graphs Tables Bar Charts

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