Skip to main content

SSC CHSL Tier 1 Syllabus 2025

Tier 1 has four sections with 25 questions and 50 marks each. The paper contains 100 questions for 200 marks in 60 minutes, with 0.50 mark deducted for each wrong answer.

The topic lists below follow the subject areas named in the official SSC CHSL 2025 notice. The same notice is the source for the Tier 1 question count, marks and negative marking.

General Intelligence

25 questions · 50 marks
  • Semantic and symbolic analogies
  • Figural analogy and classification
  • Number, semantic and figural series
  • Coding and decoding
  • Venn diagrams and space orientation
  • Problem solving, analysis and critical thinking
  • Drawing inferences
  • Emotional intelligence and social intelligence
  • Other verbal and non-verbal reasoning tasks listed in the notice

General Awareness

25 questions · 50 marks
  • Current events
  • Everyday observations in their scientific aspect
  • India and neighbouring countries
  • History
  • Culture
  • Geography
  • Economic scene
  • General policy
  • Scientific research

Quantitative Aptitude

25 questions · 50 marks
  • Number systems and computation
  • Percentages, ratio and proportion
  • Averages, interest, profit and loss
  • Discount, partnership, mixture and alligation
  • Time and distance, time and work
  • Algebra and elementary surds
  • Geometry and mensuration
  • Trigonometry and heights and distances
  • Statistical charts and graphical data

English Language

25 questions · 50 marks
  • Spot the error
  • Fill in the blanks
  • Synonyms, homonyms and antonyms
  • Spelling and detecting misspelt words
  • Idioms and phrases
  • One-word substitution
  • Improvement of sentences
  • Active and passive voice
  • Direct and indirect speech
  • Shuffling of sentence parts and sentences
  • Cloze passage
  • Comprehension passage

Official source

Source: Staff Selection Commission, Combined Higher Secondary (10+2) Level Examination, 2025 notice. This page reflects the current verified CHSL notice used by TakeMockTest. View the official SSC CHSL 2025 notice.