RMO 2025 Answer Key OUT by Aakash – Exam Highlights, Solutions & Result Updates

The Regional Mathematical Olympiad (RMO) 2025, conducted nationwide under the supervision of HBCSE, took place on November 16, 2025, marking a crucial step for students aiming to qualify for the Indian National Mathematical Olympiad (INMO). As soon as the exam concluded, thousands of students began searching for accurate solutions to evaluate their performance and understand the correct approach to Olympiad-style problems.

To support aspirants, Aakash Institute has officially released the Unofficial RMO Answer Key 2025, prepared by its most experienced Mathematics Olympiad faculty. Known for its strong academic expertise, Aakash ensures that students receive well-structured, proof-based solutions to all six RMO questions. The answer key provides detailed reasoning, step-by-step approaches, and expert insights—allowing students to analyze their performance realistically and refine their problem-solving techniques for future stages.

RMO 2025 Answer Key OUT by Aakash

The RMO paper this year tested students rigorously across number theory, algebra, geometry, and combinatorics. With the exam’s subjective, proof-oriented format, Aakash’s detailed solutions help students understand how to present logically consistent and mathematically sound answers—an essential skill for INMO 2026, which will be held on January 18, 2026.

Students can now download the Aakash RMO 2025 Answer Key PDF from the official Aakash website. Meanwhile, the RMO Result 2025 is expected to be announced in the last week of December 2025 or early January 2026. Aakash will also provide updated guidance, cutoffs, and preparation strategies as soon as the results are released.

With its strong legacy in Olympiad training and a proven track record of producing RMO and INMO achievers, Aakash Institute continues to help students at every step of their Mathematical Olympiad journey—offering expert mentoring, advanced problem sets, and structured preparation support.

RMO 2025 Exam Postponed: New Date Announced

The Mathematics Teachers’ Association (India) has officially postponed the RMO 2025 exam for all regions due to the rescheduling of IOQM 2025 in regions 04 and 05. To maintain uniformity across the country, the exam will now be conducted on the same day for all zones.

Revised RMO 2025 Exam Date:
November 16, 2025
Exam Time: 13:00 to 16:00 hours
Duration: 3 hours

This updated schedule ensures that all students get equal preparation time and the examination is conducted smoothly across regions.

RMO 2025: Answer Key, Question Paper & Solutions

The Regional Mathematical Olympiad (RMO) 2025 is the second important stage on the path to the International Mathematical Olympiad (IMO). It is conducted under the guidance of the Homi Bhabha Centre for Science Education (HBCSE), which helps encourage mathematical talent across India.

The RMO 2025 is a three-hour written exam and is the second step in India’s IMO selection process. It is conducted by regional coordinators under HBCSE. Students who perform very well in RMO 2025 qualify for the next stage, the Indian National Mathematical Olympiad (INMO) 2025.

RMO Answer Key 2025 by Aakash

RMO 2025 Answer Key

Once the RMO 2025 exam is concluded, students eagerly await the release of the RMO 2025 Answer Key. The answer key helps students evaluate their performance by comparing their answers with the correct solutions.

Every year, the expert faculty at Aakash create accurate and easy-to-download RMO answer keys and solutions.

Aakash RMO answer keys and solutions will help students get an idea of their tentative scores so that they can plan well in advance for the next stage

RMO Answer Key Coming Soon

RMO 2024 & 2023: Answer Key, Question Paper & Solutions by Aakash

RMO 2025 Overview

RMO 2025 Eligibility Criteria

To participate in RMO 2025, students must meet the following eligibility requirements:

• A student has to score at least 10% of the total marks of the IOQM 2025 paper in order to be eligible to appear for RMO 2025, but this is not the sole qualifying criterion.
• Any student who has scored at least 10% of the total marks of the IOQM 2025 paper and enrolled for IOQM 2025 as a student of one of the classes 8, 9, 10, or 11 will be classified as a Category A student.
• Any student who has scored at least 10% of the total marks of the IOQM 2025 paper and enrolled for IOQM 2025 as a student of class 12 will be classified as a Category B student.
• The list of students who qualify for the RMO 2025 will be prepared according to the following rule:
  • From each region (list of regions: https://www.mtai.org.in/rmo-region-codes/)
    • The top 200 students from Category A will qualify for RMO 2025 along with those tied in the 200th position.
    • The top 40 students from Category B will qualify for RMO 2025 along with those tied in the 40th position.
    • 5 additional girl students from Category A, irrespective of the number of girl students qualifying in the top 200 students from Category A, will qualify for RMO 2025 under the girls’ quota.
  • There is no separate girls’ quota for Category B. A girl student of Category B can qualify for RMO 2025 from IOQM 2025 if and only if she is selected among the top 40 students in Category B as described in the previous section (point 4(a)ii. above).

RMO 2025 Syllabus

The syllabus for RMO 2025 is based on topics covered in Classes 8 to 12. Students should focus on the following subjects to prepare effectively:

Students are advised to practice problems from previous years' RMO papers to get a clear idea of the difficulty level and types of questions asked.

INMO 2026 Exam Date

The next stage of the Olympiad cycle, INMO 2026, has also been announced.

• INMO 2026 Date: January 18, 2026

Students preparing for RMO should align their long-term planning with this date, as it is a crucial step toward the International Mathematical Olympiad.

RMO 2025 Answer Key: Expected Release Date

The official RMO 2025 Answer Key is usually released a few days after the examination. Since the revised exam date is 16 November 2025, the answer key is expected to be published in the third or fourth week of November 2025.

The answer key will help students:

• Evaluate their performance

• Understand expected solutions

• Estimate their chances of qualifying for INMO 2026

Once released, students will be able to download the official RMO answer key from the conducting body’s designated portal.

RMO (Regional Mathematics Olympiad) Exam Dates

The Regional Mathematics Olympiad (RMO) is held annually across various regions in India. The exam dates for the RMO can vary by region and year. It’s essential for participants to check the specific dates for their region to ensure they are prepared and registered in time. Here’s an overview of how to find the RMO exam dates for your area.

FAQs on RMO 2025

Q1: Who is eligible for RMO 2025?
A1: Students in classes 8 to 12 who qualify for the PRMO are eligible to appear for the RMO 2025.

Q2: How do I register for RMO 2025?
A2: Registration can be done online through the HBCSE or regional coordinator websites after qualifying PRMO.

Q3: When will the RMO 2025 be held?
A3: The RMO 2025 is scheduled for November 16, 2025, from 1:30 PM to 4:00 PM.

Q4: What subjects are covered in the RMO syllabus?
A4: The syllabus includes algebra, geometry, number theory, and combinatorics, based on content from classes 8 to 12.

Q5: How can I prepare for RMO 2025?
A5: Focus on practicing problems from past RMO papers, mastering core concepts, and solving mock tests to improve speed and accuracy.

Q6: Is there any negative marking in RMO?
A6: No, there is no negative marking in RMO. Marks are awarded based on the completeness and correctness of the solution.

Q7: How many students qualify for INMO from RMO?
A7: Approximately 30 students from classes 8 to 11 and around 6 students from class 12 are selected from each region to qualify for INMO.

Q8: Where can I find the RMO 2025 answer key?
A8: The RMO 2025 answer key will be available on the official HBCSE website shortly after the exam.