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INMO — Indian National Mathematical Olympiad

Olympiad practice — algebra, number theory, combinatorics, geometry

90 min20 questions— pass markIndia
Exam blueprint

What this exam covers

6 topics · 20 questions in the bank
Topic weights below mirror the real exam blueprint. To practise any single topic, use the Your study path panel on the right.
01Number Theory
35%7 questions
02Algebra and Inequalities
20%4 questions
03Combinatorics
15%3 questions
04Geometry
10%2 questions
05Functional Equations
10%2 questions
06Polynomials
10%2 questions
How to prepare

How to prepare for INMO — Indian National Mathematical Olympiad

01
Plan your study time
Budget roughly 3–4 months with weekly mock tests for INMO — Indian National Mathematical Olympiad. Block fixed daily sessions rather than occasional long ones — spaced, consistent practice retains far better than cramming.
02
Start with the official material
Work from the official syllabus or study guide first so you know exactly what is in scope and how each area is weighted. The "Official source" block below links to the exam authority.
03
Build a practice cadence
Drill your weakest topics two to three times a week using focused practice, then sit one full, timed mock each week. Review every wrong answer immediately and write down the rule or concept you missed.
04
Watch the common pitfalls
Studying passively by re-reading instead of solving previous-year papers, and neglecting presentation/answer-structure that the marking scheme rewards.
05
The final 7 days
Stop learning new material and switch to consolidation: full timed mocks, a one-page sheet of high-frequency facts you keep slipping on, and a calm sleep schedule. Aim to be comfortably above the pass mark on mocks before test day.
06
Exam-day logistics
Reach the exam hall well before reporting time with your admit card and a transparent pouch of permitted stationery. Read the full paper in the reading time, attempt the questions you are surest of first, and keep a strict per-section time budget.
Official source
HBCSE Olympiads
The Indian National Mathematical Olympiad is conducted by HBCSE.
AceMark is an independent practice tool, not affiliated with the exam authority. Always confirm the current syllabus, fees and dates on the official site.
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Frequently asked questions

Is the INMO — Indian National Mathematical Olympiad practice test free?

Yes. The INMO — Indian National Mathematical Olympiad practice test on AceMark is completely free — no paywall, no credit card, no premium tier. Sign in (free, takes 10 seconds) if you'd like to track your progress, save attempts, and unlock the AI study coach. Otherwise, browse and explore questions without an account.

How many questions are in the INMO — Indian National Mathematical Olympiad quiz?

Each INMO — Indian National Mathematical Olympiad attempt draws 20 questions and runs for about 90 minutes under realistic timed conditions.

Can I retake the INMO — Indian National Mathematical Olympiad test, and are the questions randomised?

Yes. Every attempt pulls a fresh, randomised set of questions, so you can't memorise your way through — you retake it until you genuinely know the material.

What score do I need to pass the INMO — Indian National Mathematical Olympiad?

The pass mark used in this simulation is —. AceMark scores every attempt instantly and shows which topics to review.