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General Studies Paper II (CSAT) · Subtopic

Data sufficiency

Official syllabus

Basic numeracy (numbers and their relations, orders of magnitude, etc.) (Class X level), Data interpretation (charts, graphs, tables, data sufficiency etc. — Class X level);

UPSC CSE 2026 notification

What this covers

Data sufficiency asks whether supplied statements determine an answer, not necessarily what the numerical answer is. Each statement must first be tested alone, then jointly if needed.

Key ideas

  • target question
  • statement sufficiency
  • uniqueness
  • combination

Official wording is from UPSC's Civil Services Examination 2026 notification, the current baseline for CSE 2027 preparation. Always check the latest notification at upsc.gov.in. Scopes and key ideas are CSE One's study map and are being expanded.