SCL Assistant Exam Pattern & Syllabus 2025 – Full Details

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Are you preparing for the Semi-Conductor Laboratory (SCL) Assistant Recruitment 2025? Understanding the exam pattern and syllabus is crucial for effective preparation. Here’s a detailed and structured guide to help you ace the exam!


Exam Pattern – SCL Assistant Recruitment 2025

The SCL Assistant Exam is an OMR-based written test consisting of 100 multiple-choice questions (MCQs), divided into two parts:

Exam Structure

PartSectionsNo. of QuestionsMarks
Part AQuantitative Aptitude, Basic Computer Knowledge4040
Part BGeneral Intelligence & Reasoning, English Comprehension, General Knowledge & Current Affairs6060
Total100 Questions100 Marks

Marking Scheme

  • Correct Answer: +1 mark
  • Incorrect Answer: -0.25 mark (negative marking)
  • Qualifying Marks:
    • UR Candidates: 50% overall (40% in each part)
    • OBC/EWS Candidates: 5% relaxation
    • SC/ST Candidates: 10% relaxation

Exam Duration

  • Total Time: 2 Hours
  • PwBD Candidates (using a scribe): 2 Hours 40 Minutes

Mode of Exam

  • OMR-based written test
  • Questions available in English & Hindi (except English Comprehension section)

Detailed Syllabus – SCL Assistant Exam 2025

Part A – Technical & Aptitude Sections

1. Quantitative Aptitude

This section tests numerical ability and problem-solving skills. Topics include:

  • Percentages, Ratio & Proportion, Square Roots
  • Averages, Interest, Profit & Loss, Discount
  • Time & Distance, Time & Work
  • Algebraic Identities, Graphs of Linear Equations
  • Geometry: Triangles, Circles, Quadrilaterals
  • Trigonometry: Ratios, Heights & Distances
  • Data Interpretation: Histogram, Pie Chart, Bar Diagram

2. Basic Computer Knowledge

Candidates must have fundamental knowledge of computers, including:

  • Basics of Computers & Networking
  • MS Office (Word, Excel, PowerPoint)
  • Internet & Email Usage
  • Cyber Security & Digital Awareness

Part B – General & Reasoning Sections

3. General Intelligence & Reasoning

This section evaluates logical thinking and problem-solving skills. Topics include:

  • Analogies, Coding-Decoding, Puzzles
  • Spatial Orientation, Visual Memory
  • Arithmetical Reasoning, Number Series
  • Statement Conclusion, Syllogistic Reasoning
  • Embedded Figures, Classification

4. English Comprehension

Tests candidates’ ability to understand and interpret English passages. Topics include:

  • Grammar & Sentence Structure
  • Vocabulary & Synonyms/Antonyms
  • Reading Comprehension
  • Error Detection & Sentence Correction

5. General Knowledge & Current Affairs

This section assesses awareness of national and international events. Topics include:

  • History, Geography, Economy, Polity
  • Science & Technology, Environmental Issues
  • Sports, Awards, Important Days
  • Government Schemes & Policies

Preparation Tips

Understand the Exam Pattern: Focus on high-weightage topics.
Practice Mock Tests: Improve speed and accuracy.
Revise Regularly: Strengthen weak areas.
Stay Updated: Read newspapers and current affairs magazines.
Use Online Resources: Watch tutorials and solve practice questions.



Please read the Official Notification carefully before submitting your application.

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