The Sharygin Geometry Olympiad is an international competition focused on challenging Euclidean geometry problems for high school students, named after the renowned Russian geometer Igor F. Sharygin. It consists of two rounds: a correspondence round (written solutions) and a final round (oral presentations). The Olympiad is open to students in grades 8-11 (or their international equivalents).
In 2025, the final round of Sharygin Geometry Olympiad for Indian students was hosted by Cheenta Academy at Kolkata. This post contains the problem set.
Every Young Students in India Should Take the NMTC 2025
What is NMTC (National Mathematics Talent Contest)?
The National Mathematics Talent Contest or NMTC is a national-level mathematics contest conducted by the Association of Mathematics Teachers of India (AMTI).
Who can appear for NMTC 2025?
Exam fee (2025):
Rs.150/- per candidate
Syllabus
The syllabus of the National Mathematics Talent Contest (NMTC) is similar to the syllabus of the Mathematics Olympiad (Regional, National and International level). It includes:
For Primary:
Algebra
Geometry
Arithmetic
Mensuration
For Sub-Junior:
Algebra
Geometry
Arithmetic
Mensuration
Number Theory
For Junior:
Algebra
Geometry
Number Theory
Combinatorics
For Intermediate:
Algebra
Geometry
Number Theory
Combinatorics
Important Dates, NMTC 2025:
Stage-1 Preliminary Test
23rd August 2025 (Saturday)
Stage-2 Final Test
25th October 2025
How to Participate Through Cheenta?
Cheenta Academy is proud to organize NMTC registration and exam participation at our Kolkata center. Students who wish to participate via Cheenta must be available to appear for the exam in Kolkata.
Grades Eligible: 5 to 12
Stages: Preliminary (screening) round and Final round
Last Date to Register through Cheenta: July 01, 2025
All about The Australian Mathematics Competition (AMC) 2025
What is AMC?
The Australian Mathematics Competition (AMC) is a global maths contest for school students. The contest is organised by the Australian Maths Trust (AMT).
Students from Year 3 to Year 12 (or equivalent classes in other countries) can take part. Started in 1978, the AMC is Australia’s largest maths competition.
Timeline for AMC 2025
Registration Closes: July 30, 2025
Competition Dates: August 5–7, 2025
Mode: Online or paper-based (depending on your school or registration centre)
Structure of the AMC
Middle Primary
Years 3–4
Upper Primary
Years 5–6
Junior
Years 7–8
Intermediate
Years 9–10
Senior
Years 11–12
Timing:
Primary divisions: 60 minutes
Secondary divisions: 75 minutes
Question Format:
A total of 30 questions, increasing in difficulty
First 25 questions are multiple-choice
Last 5 questions require exact numerical answers
No negative marking
Total score: 135 points
Want to Apply?
Check with the School : Many schools take part in the AMC by organizing registrations for their students.
Register through Cheenta Academy : Cheenta Academy offers assistance with AMC registration for eligible students.
The Breakthrough Junior Challenge is an annual global competition that invites students aged 13 to 18 to create short, engaging videos (maximum of 2 minutes) explaining concepts in physics, life sciences, or mathematics.
Why Should You Participate?
A Step Toward the Ivy League : The Breakthrough Junior Challenge helps you stand out to Ivy League universities by showcasing your creativity, communication skills, and passion for science.
Gain Global Recognition : Winners and finalists get featured by international media and academic platforms. Even reaching the peer review or finalist stage can add tremendous value to your academic portfolio.
Win Life-Changing Prizes : The winner gets a \$250,000 college scholarship, \$50,000 for their teacher, and \$100,000 to build a science lab at their school.
How to Apply?
Eligibility – Open to students aged 13–18 from any country.
Topic – Select a concept from Physics, Math, or Life Sciences.
Applications for the Breakthrough Junior Challenge 2025 open on May 1, 2025, and the final date to submit entries is September 15, 2025, by 11:59 PM PDT.
The Breakthrough Junior Challenge is more than just a competition. It's a platform to share passion for science, develop communication skills, and stand out on a global stage.
