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ISRO Assistant, UDC Free Mock Test
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ISRO Assistant & UDC Syllabus 2026, Exam Pattern
ISRO Assistant & UDC Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about ISRO has published notification 2026 for the recruitment of Assistant & UDC vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
ISRO Assistant & UDC Syllabus 2026 - Overview
| Organization Name | Indian Space Research Organization [ISRO} |
| Name of the Posts | Upper Division Clerk {UDC} & Assistant |
| Total Vacancies | 152 |
| Apply Mode | Online |
| Job Location | All Over India |
| Category | Syllabus & Exam Pattern |
| Official Website | www.isro.gov.in |
ISRO Assistant & UDC Syllabus 2026
General English: Questions to test the candidate’s understanding & knowledge of the language and ability to write correctly, precisely & effectively, correct use of words, idioms & phrases, etc.
Quantitative Aptitude:
1. Number System
2. Percentages
3. Profit & Loss
4. Discount
5. Ratio & Proportion
6. Mixer & Allegation
7. Averages
8. Simple & Compound interest
9. Time & distance
10. Time & Work
11. Pipe & Cistern
12. Boat & Stream
13. Partnership
14. Surds & Indices
15. LCM & HCF
16. Simplification
17. Geometry (Triangles, Circles, Quadrilateral, Lines & Angles etc.)
18. Mensuration (Area, Perimeter, Volume etc.)
19. Trigonometry (Trigonometric Identities, Trigonometric Ratios, Circular measures of Angles, Heights & distance etc.),
20. Algebra (Factorisation, Coordinate Geometry, Polynomials, Sequence & Series, Algebraic identities, Linear equations etc.), Statistics & data interpretation, etc.
General Intelligence & 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
11. Calendar
12. Number Series
13. Coded equation
14. Clock
15. Directions
16. Counting figures
17. Problems based on Alphabets
18. Sequence
19. Mirror and Water Image etc.
General Knowledge:
1. History
2. Culture
3. Geography
4. Science
5. Polity
6. Economy etc.
Quantitative Aptitude:
1. Number System
2. Percentages
3. Profit & Loss
4. Discount
5. Ratio & Proportion
6. Mixer & Allegation
7. Averages
8. Simple & Compound interest
9. Time & distance
10. Time & Work
11. Pipe & Cistern
12. Boat & Stream
13. Partnership
14. Surds & Indices
15. LCM & HCF
16. Simplification
17. Geometry (Triangles, Circles, Quadrilateral, Lines & Angles etc.)
18. Mensuration (Area, Perimeter, Volume etc.)
19. Trigonometry (Trigonometric Identities, Trigonometric Ratios, Circular measures of Angles, Heights & distance etc.),
20. Algebra (Factorisation, Coordinate Geometry, Polynomials, Sequence & Series, Algebraic identities, Linear equations etc.), Statistics & data interpretation, etc.
General Intelligence & 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
11. Calendar
12. Number Series
13. Coded equation
14. Clock
15. Directions
16. Counting figures
17. Problems based on Alphabets
18. Sequence
19. Mirror and Water Image etc.
General Knowledge:
1. History
2. Culture
3. Geography
4. Science
5. Polity
6. Economy etc.
ISRO Assistant & UDC Exam Pattern 2026
Duration : 120 Minutes
Negative Marking : 0.25
| S.No. | Subject | No. of Question | Marks |
| 1 | General English | 50 | 50 |
| 2 | General Knowledge | 50 | 50 |
| 3 | Quantitative Aptitude | 50 | 50 |
| 4 | General Intelligence & Reasoning | 50 | 50 |
| Total | 200 | 200 |
Exam Date 2026 : 21st September 2026 (Tentative)
Starting Date of Application Form : 27th July 2026
Last Date of Application Form : 20th August 2026
Total Post : 152
ISRO Assistant & UDC Exam Free Online Test Series
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2. Question Bank - 1000 Questions with Answer.
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Combo - 4 (English)
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Combo Package
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2. Question Bank - 2000 Questions with Answer
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of ISRO Assistant, UDC Exam (1000 MCQ) in PDF Format in English
2. Question Bank - 2000 Questions with Answer
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of ISRO Assistant, UDC Exam (1000 MCQ) in PDF Format in English
₹551₹701
FAQs
ISRO Assistant & Udc 2026 Free Mock Test Frequently Asked Questions (FAQ's)
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