HBCSE (Homi Bhabha Centre for Science Education)

INMO

Indian National Mathematical Olympiad

Check eligibility

MathematicsClasses 8-9-10-11-12Subjective

Exam Date

17 January 2027

Registration Last Date

5 January 2027

Result Date

28 February 2027

Registration Fees

Free (for RMO qualifiers)

About this exam

Pattern, subjects, and how it is conducted

INMO India ka national maths olympiad hai. Isme top 30-35 students select hote hain jo IMO Training Camp (IMOTC) mein jaate hain. Yeh International Mathematical Olympiad (IMO) ka gateway hai.

Exam Pattern

6 Subjective Questions, 4 hours 30 minutes. Advanced proof-based problems. Topics: Number Theory, Geometry, Algebra, Combinatorics at pre-calculus level.

Syllabus

Subject-wise important topics

Advanced Divisibility

Lecture Ask test

Quadratic Residues

Lecture Ask test

Fermat's Little Theorem

Lecture Ask test

Euler's Theorem

Lecture Ask test

Advanced Diophantine Equations

Lecture Ask test

Preparation Tips

Top performers ki strategy

INMO ke liye RMO ke concepts ko deepen karo — same topics, much harder problems.

Past INMO papers ko timed 4.5 hours mein solve karo.

IMOTC ke previous year handouts aur notes follow karo agar available ho.

Time left until the exam

Days

Hours

Mins

Secs

Registration

Registration opens: 1 December 2026

Last date: 5 January 2027

Mock Tests

2 tests available

Olympiad Level

INMO Mock Test 1

INMO

Questions

Time

270 min

National level difficulty — 4.5 hour simulation.

Olympiad Level

INMO Mock Test 2

INMO

Questions

Time

270 min

Extremal combinatorics aur advanced inequalities ka test.

ShikshaGuruji Olympiad Lectures

Special content for higher difficulty

Olympiad-level Lectures

Higher difficulty tagged content

Olympiad Practice Block

Topic-wise tough questions

Ruko zara, sabar karo...