Combined Defence Services Examination- Details and Syllabus

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Combined Defence Services Examination- Details
and Syllabus
A career in Defence Services is the much sought
after occupation today for those young and
courageous youths of the country who are willing
to dedicate their lives to defend the country and
its people. The Combined Defence Services
Examination is the first test before they can
join one of the best Defence forces in the world
i.e. the Indian Armed Forces. UPSC conducts the
Combined Defence Services Exam twice every year
generally in February and August for Recruiting
officers for the Indian Military Academy, Naval
Academy, Air Force Academy and Officers Training
Academy. Male candidates can join IMA, Naval and
Air Force but for female candidates OTA in army
is available.
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• The examination comprises of two stages
• First stage consists of written test and those
  who qualify the written test are called for
  interview by Service Selection Board (SSB) for
  Intelligence and Personality Test.
• Age Limit, Sex and Marital Status
• For IMA and Indian Naval Academy Unmarried Male
  candidates having age not less than 18 years on
  1st July and not more than 23 years on 2nd July
  in accordance with the year of examination are
  eligible.
• For Air Force Academy Male candidates having age
  not less than 19 years as on 1st July and not
  more than 23 years as on 2nd July in accordance
  with the year of examination (upper age relation
  of upto 26 years for candidates holding
  Commercial Pilot License issued by DGCA).
• For Officers Training Academy Male candidates
  (married or unmarried) and female candidates
  (unmarried and issueless widows or divorces who
  have not remarried) having age not less than 18
  years as on 1st July and not more than 24 years
  as on 2nd July in accordance with the year of
  examination are eligible.
• Education Qualification
• For IMA/OTA a degree from a recognized university
  or equivalent.
• For Naval Academy degree in engineering from a
  recognized university.
• For Air Force Academy degree from a recognized
  university
• (with Physics and Mathematics at 102 level) or
  Bachelor of Engineering.
• Syllabus
• The written examination will be as follows

Subject Duration No. of Ques. Max Marks
English 2 hours 120 100
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General Knowledge 2 hours 120 100
Elementary Mathematics 2 hours 100 100

• The syllabus is broadly classified into three
  subjects namely English, General Knowledge and
  Elementary Mathematics.
• The level of questions in Mathematics is set
  according to the standard of matriculation i.e.
  10th Standard. However, for other subjects, the
  level of questions will be of graduation level.
• The syllabus for English Language is designed to
  test the basic understanding or English
  Language. Some of the topics are
• Antonyms
• Synonyms
• Spotting Errors
• Sentence Improvement
• Word Substitution
• Selecting Words
• Comprehension
• Ordering of Sentences
• Ordering of words in a Sentence
• The syllabus for General Knowledge is designed to
  test the candidates knowledge of current events
  happening in India and around the World. Some of
  the topics are
• Current Awareness
• History
• Politics
• Economics

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• Biology
• Physics
• Chemistry
• Sports
• Books
• Defence
• Awards
• Personalities
• The syllabus for Elementary Mathematics includes
  questions from Arithmetic, Algebra, Geometry,
  Mensuration, Trigonometry and Statistics. Some
  of the topics included are
• Algebra
• Polynomials
• Factorisation
• HCF LCM
• Quadratic Equations
• Identities based Questions
• Set Language and Set Notation
• Law of Indices

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• Geometry
• Lines and angles
• 2D figures
• Triangle and its properties
• Circle and its properties
• Quadrilaterals like parallelogram, rectangle,
  square or trapezium
• Mensuration
• Areas of squares, rectangles, parallelograms,
  triangles or circles
• 3D figures like cubes and cuboids, Cones,
  cylinders or
• spheres.
• Statistics
• Collection and Tabulation of Statistical Data
• Graphical Representation Frequency Polygons
• Histograms
• Bar Charts

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