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May 5, 2019
Sketching a complex set - I.S.I. Entrance 2019 Subjective Solution Problem 3

ISI Entrance 2019, Subjective Problem 3 involves sketching a set of complex numbers. We provide sequential hints that leads to solution.

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May 4, 2019
Inequality of fractions - TOMATO Subjective 12

Inequality of fractions An inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. It is used most often to compare two numbers on the number line by their size. In this post we are going to discuss a problem on inequality of fractions. Try the problem This problem is from Indian Statistical […]

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April 21, 2019
Locus of vertex of an equilateral triangle

A beautiful geometry problem from Math Olympiad program that involves locus of a moving point. Sequential hints will lead you toward solution.

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March 24, 2019
A Proof from my Book

This is proof from my book - my proof of my all-time favorite true result of nature - Pick's Theorem. This is the simplest proof I have seen without using any high pieces of machinery like Euler number as used in The Proofs from the Book. Given a simple polygon constructed on a grid of […]

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March 22, 2019
Personal Math Mentoring is live!

Advanced mathematics classes now have an add on - Cheenta students will have access to One-on-One mentoring (apart from regular group classes).

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March 13, 2019
Area of Triangle - ISI BStat 2018 Subjective Problem

Here is a problem based on the area of triangle from ISI B.Stat Subjective Entrance Exam, 2018. Sequential Hints: Step 1: Draw the DIAGRAM with necessary Information, please! This will convert the whole problem into a picture form which is much easier to deal with. Step 2: Power of a Point - Just the similarity […]

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March 13, 2019
Finding values in equation - ISI BStat 2018 Subjective Problem

The solution will be posted in a sequential hint based format. You have to verify the steps of hints. Sequential Hints: Step 1: Solution set of sin(\(\frac{x+y}{2}\)) = 0 is {\({x + y = 2n\pi : n \in \mathbb{N}}\)} - A set of parallel straight lines. Step 2: Solution set of |x| + |y| = […]

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March 5, 2019
A Math Conversation - I

Inspired by the book of Precalculus written in a dialogue format by L.V.Tarasov, I also wanted to express myself in a similar fashion when I found that the process of teaching and sharing knowledge in an easy way is nothing but the output of a lucid conversation between a student and a teacher inside the […]

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March 5, 2019
The 3n+1 Problem | Learn Collatz Conjecture

The 3n+1 Problem is known as Collatz Conjecture. Consider the following operation on an arbitrary positive integer: If the number is even, divide it by two. If the number is odd, triple it and add one. The conjecture is that no matter what value of the starting number, the sequence will always reach 1. Observe […]

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March 3, 2019
The Dhaba Problem | ISI and CMI Entrance

Suppose on a highway, there is a Dhaba. Name it by Dhaba A. You are also planning to set up a new Dhaba. Where will you set up your Dhaba? Model this as a Mathematical Problem. This is an interesting and creative part of the BusinessoMath-man in you. You have to assume something for Mathematical […]

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June 16, 2020
Sum of reciprocals Problem | AMC-10A, 2003 | Problem 18

Try this beautiful problem from algebra, based on Sum of reciprocals in quadratic equation from AMC-10A, 2003. You may use sequential hints.

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June 15, 2020
Area of Trapezium | AMC-10A, 2018 | Problem 24

Try this beautiful problem from Geometry: Area of Trapezium from AMC-10A, 2018. You may use sequential hints to solve the problem.

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June 15, 2020
Quadratic equation Problem | AMC-10A, 2003 | Problem 5

Try this beautiful problem from algebra, based on the quadratic equation from AMC-10A, 2003. You may use sequential hints to solve the problem.

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June 15, 2020
Problem on Equation | AMC-10A, 2007 | Problem 20

Try this beautiful problem from algebra, based on equation from AMC-10A, 2007. Problem-20,You may use sequential hints to solve the problem

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June 15, 2020
Pen & Note Books Problem | PRMO-2019 | Question 16

Try this beautiful Problem from Algebra based on Pen & Note Books from PRMO 2019, Question 16. You may use sequential hints to solve the problem.

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June 14, 2020
PRMO Open Test

Open Mock Test Pre Regional Maths Olympiad (PRMO), India.

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June 13, 2020
Sum of digits Problem | PRMO 2016 | Question 6

Try this beautiful problem from Number theory based on sum of digits from PRMO 2016. You may use sequential hints to solve the problem.

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June 12, 2020
Integer based Problem | PRMO-2018 | Question 20

Try this beautiful Integer-based Problem from Algebra from PRMO 2018, Question 20. You may use sequential hints to solve the problem.

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June 12, 2020
Sum of two digit numbers | PRMO-2016 | Problem 7

Try this beautiful problem from Algebra, based on Sum of two digit numbers from PRMO 2016. You may use sequential hints to solve the problem.

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June 12, 2020
Finding side of Triangle | PRMO-2014 | Problem 15

Try this beautiful problem from the Pre-Regional Mathematics Olympiad, PRMO, 2014, based on finding side of Triangle. You may use sequential hints.

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July 7, 2022
How Mayur N Sastry cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Mayur N Sastry who got into the CMI Entrance 2022.

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July 6, 2022
How Vemparala Bhuvan cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Vemparala Bhuvan who got into the CMI Entrance 2022.

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July 4, 2022
How Ryan Hota cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Ryan Hota who got into the CMI Entrance 2022.

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July 2, 2022
Number Theory: Free Live Class For INMO

This Workshop is the 1st session of the INMO Starter Program at Cheenta and it seeks to shed light on the various applications of the Inequalities with the help of beautiful problems.

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July 2, 2022
NSEP 2015 Problem 5 | Rotational Mechanics & Small Oscillation

Try this problem on small oscillation and rotational mechanics from NSEP 2015 Problem 5. You may use sequential hints to solve it.

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July 1, 2022
How Shravani Parulekar cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Shravani Parulekar who got into the CMI Entrance 2022.

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June 29, 2022
PRMO 2017 Problem 30 | Similarity Problem

Try this Similarity Problem from Pre-Regional Mathematics Olympiad, PRMO 2017 Problem 30. You may use sequential hints to solve it.

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June 28, 2022
PRMO 2016 Problem 1 | Number Theory Problem

Try this Problem on Number Theory from Pre-Regional Mathematics Olympiad, PRMO 2016 Problem 1. You may use sequential hints to solve it.

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June 24, 2022
Inequalities: Free Live Class For IOQM, AMC 10 & 12

This Workshop is the 1st session of the IOQM & AMC 10 & 12 Starter Program at Cheenta and it seeks to shed light on the various applications of the Inequalities with the help of beautiful problems.

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June 18, 2022
Roots of Polynomials: Free Live Class - ISI-CMI Starter Program

This Workshop is the 1st session of the ISI-CMI Starter Program at Cheenta and it seeks to shed light on the various applications of the Roots of Polynomials with the help of beautiful problems.

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