UPSC conducted Combined Defense Service Exam (CDS) for recruitment to office cadre of the Army, Navy and Air Force, on 15 February, 2015. The paper was held in three parts - English, General Knowledge and Elementary Mathematics. Each subject was tested in a separate paper and the duration of each of these was 2 hours. All three papers comprised multiple choice questions. The papers on English and General Knowledge had 120 questions each while the paper on Elementary Mathematics had 100 questions.

Topic-wise breakdown of questions is given below:

English

  • Sentence Improvement: 20
  • Reading Comprehension: 23 (5 passages)
  • Synonyms: 8
  • Antonyms: 7
  • One Word Substitution: 5
  • Para Jumble: 10
  • Sentence Jumble: 7
  • Error Spotting: 20
  • Cloze Test: 20

General Knowledge

  • History: 19
  • Science: 27
  • Geography: 22
  • Ecology: 6
  • Polity: 20
  • Economy/ Trade: 11
  • Others/Armed Forces: 15

Elementary Mathematics

  • Number System: 20
  • Simple interest/Compound interest: 5
  • Percentage: 2
  • Profit/Loss: 1
  • Mixture: 1
  • Time and Work: 3
  • Time speed and Distance: 6
  • Clock: 2
  • Trigonometry: 14
  • Set Theory: 1
  • Geometry: 20
  • Mensuration: 14
  • Algebra: 7
  • Statistics: 4