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ISRO Assistant Syllabus 2026 | Exam Pattern PDF Download

ISRO Assistant Written Exam is an online Computer-Based Test (CBT) designed for graduates. The examination comprises 200 objective-type questions covering various subjects, including General English, Quantitative Aptitude, General Intelligence & Reasoning Ability, and General Knowledge. It is worth noting that the exam is conducted in both Hindi and English, except for the language subject. Each correct response is awarded 1 mark, while an incorrect answer results in a penalty of -0.25 marks. The total marks for the ISRO Assistant Syllabus 2026 exam amount to 200, and candidates are allotted 120 minutes to complete the test.

✨ Selection Process

Written Exam 01

SKILL TEST 
02

ISRO Assistant Syllabus 2024: Written Exam

Organization

ISRO

Exam Mode

Online (CBT)

Exam Level

Graduate

Exam Type

Objective (MCQ)

Paper Medium

Hindi & English (Except language subject)

Total Question

200

Total Marks

200

Total Time (Minutes)

120

Correct Answer (Marks)

01

Negative Marking

0.25

Cut Off Marks

General 60%
OBC 50%
SC 50%
ST 50%

Subject Details

Name Qsn Marks
General English 50 50
Quantitative Aptitude 50 50
General Intelligence & Reasoning ability 50 50
General Knowledge 50 50
✍ Test Paper 1 ✍ Test Paper 2 ✍ Test Paper 3 ✍ Test Paper 4

1. đź“–General English

Total Qsn 50 Total Marks- 50 Test Paper- Start Quiz

General English:

  1. Idioms & Phrases
  2. Usage of Words
  3. Meanings
  4. Antonyms

2. đź“–Quantitative Aptitude

Total Qsn 50 Total Marks- 50 Test Paper- Start Quiz

Quantitative Aptitude:

  1. Number System
  2. Percentages
  3. Profit & Loss
  4. Discount
  5. Ratio & Proportion
  6. Mixture & Allegation
  7. Averages
  8. Simple & Compound Interest
  9. Time & Distance
  10. Time & Work
  11. Pipes & Cisterns
  12. Boats & Streams
  13. Partnership

3. đź“–General Intelligence & Reasoning ability

Total Qsn 50 Total Marks- 50 Test Paper- Start Quiz

General Intelligence and Reasoning Ability:

  1. Missing Number
  2. Repeated Series
  3. Analogy
  4. Venn Diagram
  5. Logical Arrangement of Words
  6. Coding & Decoding
  7. Sitting Arrangement
  8. Ranking Arrangement
  9. Dice
  10. Cube & Cuboid

4. đź“–General Knowledge

Total Qsn 50 Total Marks- 50 Test Paper- Start Quiz

General Knowledge:

  1. Current Affairs of National & International Importance
  2. History
  3. Culture
  4. Geography
  5. Science
  6. Polity
  7. Economy

NOTE: This is the unofficial syllabus for ISRO Assistant Recruitment, so some changes may be done.âś°


Important Links
Download SyllabusPDF Click Here
Free Online Test Series Click Here
Download App [ For Latest Updates Download Our Andriod App ] CLICK HERE

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