UPSC Combined Defence Services Examination (I) 2026 - Elementary Mathematics — question paper

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Historical paper · reviewed structured rendering

UPSC Combined Defence Services Examination (I) 2026 - Elementary Mathematics

Paper #3176 · 04-2026 · Elementary Mathematics · 5 reviewed questions

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Accuracy note: This is a reviewed structured rendering of an official previous-year paper and may cover only part of it. Where available, explanatory notes describe unresolved source or answer issues without supplying a scoring answer. Official examination authority notices remain final.

Official UPSC CDS (I) 2026 Elementary Mathematics, Series A, presented in five readable review sections covering all 100 questions. Every position has a reviewed scoring answer aligned to the published Series-A provisional key. The complete streamed 48-page official scan remains available for exact stems, mathematical notation, diagrams and options. This is an independent KSLC review, not a UPSC final answer key.

  1. Algebra and arithmetic — official source questions 1-20. The official UPSC CDS (I) 2026 Elementary Mathematics Series-A scanned PDF linked to paper #3176 controls every exact stem, mathematical expression, diagram and option. This record carries the provisional-key-aligned KSLC reviewed answer map for those source positions.
  2. Number system, arithmetic and statistics — official source questions 21-40. The official UPSC CDS (I) 2026 Elementary Mathematics Series-A scanned PDF linked to paper #3176 controls every exact stem, mathematical expression, diagram and option. This record carries the provisional-key-aligned KSLC reviewed answer map for those source positions.
  3. Trigonometry, geometry and mensuration — official source questions 41-60. The official UPSC CDS (I) 2026 Elementary Mathematics Series-A scanned PDF linked to paper #3176 controls every exact stem, mathematical expression, diagram and option. This record carries the provisional-key-aligned KSLC reviewed answer map for those source positions.
  4. Mensuration, geometry and data sufficiency — official source questions 61-80. The official UPSC CDS (I) 2026 Elementary Mathematics Series-A scanned PDF linked to paper #3176 controls every exact stem, mathematical expression, diagram and option. This record carries the provisional-key-aligned KSLC reviewed answer map for those source positions.
  5. Algebra, arithmetic and trigonometry — official source questions 81-100. The official UPSC CDS (I) 2026 Elementary Mathematics Series-A scanned PDF linked to paper #3176 controls every exact stem, mathematical expression, diagram and option. This record carries the provisional-key-aligned KSLC reviewed answer map for those source positions.

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