ISRO Previous Year Question Papers and Exam Details

The Indian Space Research Organization (ISRO) conducts exams annually to recruit candidates for various positions like Assistant, LDC, JPA, UDC, Stenographer etc. The article discusses the benefits of solving previous year question papers and knowing the exam pattern and syllabus for cracking these exams.

Exam Pattern

The ISRO exam comprises 90 questions divided across 5 sections - General English, General Knowledge, Arithmetic, Reasoning, and Computer Literacy. Each section has a different number of questions and marks distribution. Solving previous papers helps understand the difficulty level, topics asked, weightage of sections etc.

Section Questions Marks
General English 23 69
General Knowledge 23 69
Arithmetic 23 69
Reasoning 13 39
Computer Literacy 8 24

Knowing the exam structure helps strategize preparation accordingly.


The ISRO exam syllabus comprises multiple subjects. Going through the syllabus helps understand the topics to focus on for the exam. Some key areas are:

  • English - Grammar, vocabulary, comprehension
  • GK - Current affairs, history, geography, civics
  • Arithmetic - Numbers, averages, percentages, profit/loss
  • Reasoning - Analogies, series, puzzles, analytical skills
  • Computers - Basics, MS Office, internet, networks

Having clarity on syllabus topics is crucial for efficient preparation.

Previous Year Question Papers

Practicing with previous year papers has immense benefits. Some key advantages are:

  • Gives a good collection of past questions to practice
  • Helps understand the exam difficulty level and pattern
  • Improves speed, accuracy, time management skills
  • Allows self-analysis to identify weak areas
  • Boosts confidence to face the final exam

Thus candidates are strongly advised to thoroughly practice previous papers.

How to Use Previous Papers

To optimize the benefits of previous papers, use the following approach:

  • Take papers section-wise and solve questions topic/subject-wise
  • Practice in exam like conditions - timer, no references
  • Analyze your attempts - topics covered, accuracy, speed etc.
  • Identify weaknesses and work on them with selective study
  • Take mock tests periodically and work on speed, accuracy

Using previous papers strategically is the key to maximize learning.

Revise Before Exam

Leading up the D-day, utilize the final days effectively:

  • Quickly revise syllabus notes multiple times
  • Pay more attention to your weak areas
  • Take section-wise and full mock tests
  • Analyze mocks to identify final areas needing focus
  • Stay motivated and confident for the big day

Smart revision with previous papers helps optimize readiness for the exam.


Thorough preparation using ISRO previous papers, knowing the latest exam pattern and syllabus is crucial for recruitment exam success. Follow a strategic approach and put consistent efforts with motivation levels high.


Q1: Where do I find previous year ISRO question papers?

A1: ISRO previous papers can be found on the official website or trusted career sites. Additionally our article provides download links for past 5 years ISRO exam papers.

Q2: How many questions are there in ISRO Assistant exam?

A2: There are 90 questions in ISRO Assistant recruitment exam divided across 5 sections - English, GK, Arithmetic, Reasoning and Computer Literacy.

Q3: What is the ISRO exam selection process?

A3: The ISRO selection process involves - Preliminary exam, Main exam and Personal Interview. Candidates have to clear each stage to proceed further.

Q4: How is the ISRO exam pattern?

A4: ISRO exam has 5 sections - English, GK, Arithmetic, Reasoning and Computers. Each section contains objective type multiple choice questions. There is negative marking for wrong answers.

Q5: What is the best way to prepare for ISRO exams?

A5: The best approach involves - studying exam pattern & syllabus, taking previous year mock tests, identifying and improving weak areas through selective study.

Q6: Which books are best for ISRO preparation?

A6: Recommended books for ISRO exam preparation are - ISRO Guide by Manohar Pandey, Pathfinder for ISRO by Arihant Publications, and Objective General English by SP Bakshi.


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