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SSC Combined Higher Secondary Level (CHSL)


Staff Selection Commission (SSC) conducts combined all India open exam for recruitment for the posts of Data Entry Operator (DEO) and Lower Division Clerk (LDC). Minimum qualification for the exam is 12th standard pass or equivalent.

CHSL Exam 2016

Important Dates

  • Date of Notification: 2 July, 2016
  • Last Date to Apply: 1 August, 2016
  • Date of Exam: 25 September, 9 & 16 October, 2016

Eligibility Criteria

Age Eligibility: Minimum 18 years and maximum 27 years
Academic Qualification Eligibility: Minimum Class-XII pass or equivalent

Exam Pattern

The exams consist of a written examination and skill test for the post of Data Entry Operator and Typing Test for the post of Lower Division Clerk on Computer. The written exam consist of one multiple choice questions objective type paper.
There are total 200 questions of total 200 marks. There is negative marking of 0.25 marks for each wrong answer. Composite Time 2 hour

SSC CHSL Exam Syllabus & Pattern

The selection process consists of a written exam followed by skill tests. The merit is based on the marks secured in the written exam and the skill test is of qualifying nature only.

Written Exam Pattern

Part Subject Questions Marks Duration
I General Intelligence 50 50 Composite Time 2 hour
II English Language 50 50
III Quantitative Aptitude 50 50
IV General Awareness 50 50
V Total 200 200
Written exam consists of Objective Type Multiple choice questions only. There is negative marking of 0.25 marks for each wrong answer.


General Intelligence

  • 1. Semantic Analogy
  • 2. Symbolic/Number Analogy
  • 3. Figural Analogy
  • 4. Semantic Classification
  • 5. Symbolic/Number Classification
  • 6. Figural Classification
  • 7. Semantic Series
  • 8. Number Series
  • 9. Figural Series
  • 10. Problem Solving
  • 11. Word Building
  • 12. Coding and de-coding
  • 13. Numerical operations
  • 14. Symbolic operations
  • 15. Trends
  • 16. Space Orientation
  • 17. Venn Diagrams
  • 18. Drawing inferences
  • 19. Punched hole/pattern - folding & unfolding
  • 20. Figural Pattern - folding and completion
  • 21. Embedded figures
  • 22. Critical Thinking
  • 23. Emotional Intelligence
  • 24. Social Intelligence
  • 25. Other sub-topics

English Language

  • 1. Spot the Error
  • 2. Fill in the Blanks
  • 3. Synonyms/Homonyms
  • 4. Antonyms
  • 5. Spellings/Detecting Mis-spelt words
  • 6. Idioms & Phrases
  • 7. One word substitution
  • 8. Improvement of Sentences
  • 9. Active/Passive Voice of Verbs
  • 10. Conversion into Direct/Indirect narration
  • 11. Shuffling of Sentence parts
  • 12. Shuffling of Sentences in a passage
  • 13. Cloze Passage
  • 14. Comprehension Passage

Quantitative Aptitude


Number Systems:
  • 1. Computation of Whole Number
  • 2. Decimal and Fractions
  • 3. Relationship between numbers
Fundamental arithmetical operations:
  • 1. Percentages
  • 2. Ratio and Proportion
  • 3. Square roots
  • 4. Averages
  • 5. Interest (Simple and Compound)
  • 6. Profit and Loss
  • 7. Discount
  • 8. Partnership Business
  • 9. Mixture and Alligation
  • 10. Time and distance
  • 11. Time and work


Basic algebraic identities of School Algebra (and their simple applications) e.g. Formulas for (a+b)2, (a-b)2, (a+b)3, (a-b)3, a3-b3, a3+b3, a2-b2; if a+b+c=0, then a3+b3+c3=3abc, etc. and Elementary surds (simple problems)
Graphs of Linear Equations


Familiarity with elementary geometric figures and facts:

  • 1. Triangle and its various kinds of centres viz. Centroid, In-centre, Orthocenter, Circumcentre
  • 2. Congruence and similarity of triangles
  • 3. Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles.


  • Triangle, Quadrilaterals
  • Regular Polygons (sum of the internal angles of a polygon)
  • Circle
  • Right Prism
  • Right Circular Cone
  • Right Circular Cylinder
  • Sphere, Hemispheres
  • Rectangular Parallelepiped
  • Regular Right Pyramid with triangular or square Base


  • Trigonometry (for acute angles θ with 0≤θ≤90)
  • Trigonometric ratios
  • Degree and Radian Measures
  • Standard Identities like sin2θ + Cos2θ = 1, etc.
Complementary Angles, Heights and Distances (simple problems only)

Statistical Charts

Use of Tables and Graphs:
  • 1. Histogram
  • 2. Frequency polygon
  • 3. Bar-diagram
  • 4. Pie-chart

General Awareness

Questions are designed to test your general awareness of the environment around you and its application to society. Questions are also designed to test knowledge of current events and of such matters of everyday observation and experience in their scientific aspect as may be expected of an educated person. The test will also include questions relating to India and its neighbouring countries especially pertaining to History, Culture Geography, Economic Scene, General policy and scientific research.

Skill Test for DEO

In the DEO skill test, you are given printed passage in English containing 2000-2200 strokes/key-depressions which you have to enter in the computer within 15 minutes. You are judged based on how many correct entries of the key depressions you made. This test is of qualifying nature only. You just have to reach the threshold level of 8,000 Key Depressions per hour i.e. in 15 minutes, you have to make 2,000 correct key depressions.

Typing Test for LDC

You can take the test either in Hindi or in English. You are given a text passage, which you have to enter correctly in 10 minutes. The speed is judged based on how many words you could correctly type on the computer. This test is qualifying nature only. You just have to reach the threshold level of 35 words per minute for English (10500 key depressions/hour) or 30 words per minute for Hindi (9000 key depressions/hour).