We are having a full fledged Problem Solving Marathon. We are receiving wonderful responses from the end of our students which is making the session more and more alluring day by day. Here we are providing the problems and hints of “Problem Solving...

Barycentric coordinates can be very useful in solving advanced geometry problems for math olympiad. We take a leaf of Cheenta lectures on this idea. Also see Math Olympiad Program at...

Problem Solving Marathon Week1 Solution is the effortless attempt from Cheenta’s existing student as well as from the end of mentor. Question, rules and hints are given here. Level 0 Q.1 Which of the following is equal to ? This solution is proposed by Swetaabh...

Combinatorics is one of the most important topic for the preparation of Mathematics Olympiad culture as well as American Mathematical Contest(also known as AMC). AMC10/12 Combinatorics Problem which is composed of selected problems from previous year. AMC 10 [Q.1]A...

Cheenta has planed to initiate a problem solving Marathon with existing students. Here we are providing the problems and hints of “Problem Solving Marathon Week 1”. The Set comprises three levels of questions as following-Level 0- for Class III-V; Level 1-...

Indian National Mathematical Olympiad is organized by Homi Bhabha Centre for Science Education. This post is dedicated for INMO 2019 Discussion. You can post your ideas here. Problem 1. Let \(ABC\) be a triangle with \(\angle BAC > 90^\circ \). Let \(D\) be a point on...