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Tier	Type	Mode
Tier–I	Objective Multiple Choice	Computer- Based Test (online)
Tier- II	Objective Multiple Choice	Computer-Based Test (online)
Tier–III	Descriptive Paper in English/Hindi	Pen and Paper Mode (Letter/Application Writing, Essay Writing)
Tier–IV	Skill Test/Computer Proficiency Test	Wherever Applicable (Speed Typing Test)

       SSC CGL Tier-I Syllabus- Quantitative Aptitude

1. Computation of whole numbers
2. Decimals
3. Fractions
4. Relationships between numbers
5. Profit and Loss
6. Discount
7. Partnership Business
8. Mixture and Alligation
9. Time and distance
10. Time & Work
11. Percentage
12. Ratio & Proportion
13. Square roots
14. Averages
15. Interest
16. Basic algebraic identities of School Algebra & Elementary surds
17. Graphs of Linear Equations
18. Triangle and its various kinds of centres
19. Congruence and similarity of triangles
20. Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles
21. Triangle
22. Quadrilaterals
23. Regular Polygons
24. Right Prism
25. Right Circular Cone
26. Right Circular Cylinder
27. Sphere
28. Heights and Distances
29. Histogram
30. Frequency polygon
31. Bar diagram & Pie chart
32. Hemispheres
33. Rectangular Parallelepiped
34. Regular Right Pyramid with triangular or square base
35. Trigonometric ratio

 

SSC CGL Tier-I Syllabus- General Intelligence and Reasoning 

1. Analogies
2. Similarities and differences
3. Space visualization
4. Spatial orientation
5. Problem-solving
6. Analysis
7. Judgment
8. Blood Relations
9. Decision making
10. Visual memory
11. Discrimination
12. Observation
13. Relationship concepts
14. Arithmetical reasoning
15. Figural classification
16. Arithmetic number series
17. Non-verbal series
18. Coding and decoding
19. Statement conclusion
20. Syllogistic reasoning

SSC CGL Tier-I Syllabus- English Language

1. Phrases and Idioms
2. One word Substitution
3. Sentence Correction
4. Error Spotting
5. Fill in the Blanks
6. Spellings Correction
7. Reading Comprehension
8. Synonyms-Antonyms
9. Active Passive
10. Sentence Rearrangement
11. Sentence Improvement
12. Cloze test

SSC CGL Tier-I General Awareness Syllabus

1.  History, Culture, Geography, Economic Scene, General Policy & Scientific Research of india.cC
2. Current Affairs
3. sccience
4. Books and Authors
5. Sports
6. Important schemes
7. Important Days