ISRO ICRB · Written test
ISRO Assistant & UDC Mock Tests
The full 200-question written test on a screen that works like a real computer-based exam: question palette, Mark for Review and a live timer.
Mock Test 1 is free to take. No sign-up needed to start.
Exam pattern
Written test at a glance
| Part | Questions | Marks |
|---|---|---|
| A: General English | 50 | 50 |
| B: Quantitative Aptitude | 50 | 50 |
| C: General Intelligence & Reasoning Ability | 50 | 50 |
| D: General Knowledge | 50 | 50 |
| Total | 200 | 200 |
One paper with a single timer; the best performers are called for a skill test. Pattern as in the ICRB advertisement of 2026. Always confirm it in the latest advertisement on isro.gov.in.
What you get
Built around the ISRO paper
ISRO-style English
Spelling, word meanings, idioms, one-word substitution, correct sentences and a reading passage, as in the ICRB paper.
Full mocks and practice
Sit the full 150-minute paper, or practise one part at a time and drill single topics.
See where your time goes
Time spent on every question, and the topics that are slow or costing you marks.
English or हिंदी
Switch the question language any time. Part A stays in English, as in the exam.
How it works
Three steps
- Take Mock Test 1 freeThe full 200-question paper. No sign-up needed to start.
- Save your testAdd your email: it becomes your free account and keeps your test saved.
- Unlock your report for ₹149Your score, the right answers with explanations and your time analysis, for Mock Test 1 and every ISRO Assistant/UDC mock test (new mocks are added regularly), part test and topic drill. One-time payment, no expiry date.