Cheenta Blog Since 2010

Mathematics is Beautiful
University Application
Guides
Books
ISI Entrance
Math Olympiad
বাংলা
All Posts
March 10, 2020
Area of a Triangle -AMC 8, 2018 - Problem 20

Try this beautiful problem from AMC 8, 2018 based on the area of triangle. You may use sequential hints to solve the problem.

Read More
March 9, 2020
Functions and Equations |Pre-RMO, 2019

The simplest example of power mean inequality is the arithmetic mean - geometric mean inequality. Learn in this self-learning module for math olympiad

Read More
March 9, 2020
Area of cube's cross section |Ratio | AMC 8, 2018 - Problem 24

Try this beautiful problem from Geometry: Ratio of the area of cube's cross section . You may use sequential hints to solve the problem.

Read More
March 8, 2020
Geometry of Plane figures | Pre-RMO 2019

Try this beautiful problem from Pre-RMO, 2019 based on Geometry of plane figures. You may use sequential hints to solve the problem.

Read More
March 8, 2020
Radius of a Semi Circle -AMC 8, 2017 - Problem 22

Try this beautiful problem from AMC 8, 2017 based on the radius and tangent of a semi circle. You may use sequential hints to solve the problem.

Read More
March 8, 2020
Sets and Venn diagrams |B.Math Entrance

Try this beautiful problem from B.Math Entrance Exam based on sets and venn diagrams. You may use sequential hints to solve the problem.

Read More
March 8, 2020
Triangle Inequality - Mathematical Circles - Problem No. 5

Try this beautiful problem from Mathematical Circles book based on triangle inequality. You may use sequential hints to solve the problem.

Read More
March 7, 2020
Radius of a Circle - SMO 2013 - Problem 25

Try this beautiful problem from Geometry based on the radius and tangent of a circle. You may use sequential hints to solve the problem.

Read More
March 7, 2020
Cubes and Rectangles | Math Olympiad Hanoi 2018

The simplest example of power mean inequality is the arithmetic mean - geometric mean inequality. Learn in this self-learning module for math olympiad

Read More
March 6, 2020
FERMAT POINT

The simplest example of power mean inequality is the arithmetic mean - geometric mean inequality. Learn in this self-learning module for math olympiad

Read More
August 13, 2020
ISI MStat PSB 2008 Problem 2 | Definite integral as the limit of the Riemann sum

This is a very beautiful sample problem from ISI MStat PSB 2008 Problem 2 based on definite integral as the limit of the Riemann sum . Let's give it a try !!

Read More
August 13, 2020
ISI MStat PSB 2008 Problem 3 | Functional equation

This is a very beautiful sample problem from ISI MStat PSB 2008 Problem 3 based on Functional equation . Let's give it a try !!

Read More
August 13, 2020
ISI MStat PSB 2009 Problem 6 | abNormal MLE of Normal

This is a very beautiful sample problem from ISI MStat PSB 2009 Problem 6. It is based on the idea of Restricted Maximum Likelihood Estimators, and Mean Squared Errors. Give it a Try it !

Read More
August 12, 2020
ISI MStat PSB 2009 Problem 3 | Gamma is not abNormal

This is a very simple but beautiful sample problem from ISI MStat PSB 2009 Problem 3. It is based on recognizing density function and then using CLT. Try it !

Read More
August 12, 2020
ISI MStat PSB 2009 Problem 1 | Nilpotent Matrices

This is a very simple sample problem from ISI MStat PSB 2009 Problem 1. It is based on basic properties of Nilpotent Matrices and Skew-symmetric Matrices. Try it !

Read More
August 11, 2020
Bayes and The Billiard Table | Cheenta Probability Series

This post discusses how judgements can be quantified to probabilities, and how the degree of beliefs can be structured with respect to the available evidences in decoding uncertainty leading towards Bayesian Thinking.

Read More
August 11, 2020
How to Calculate Geometric Mean | Learn the Concept

Let's learn how to calculate the geometric mean. This is a concept video useful for Mathematics Olympiad and ISI and CMI Entrance. Watch and Learn: Read and Learn: What is the Geometric mean of two numbers a and b & how to calculate it? Suppose a and b are positive numbers then their geometric mean […]

Read More
August 9, 2020
Circular arc | AMC 10A ,2012 | Problem No 18

Try this beautiful Problem on Geometry: Circular arc from AMC 10A, 2012. Problem-18. You may use sequential hints to solve the problem.

Read More
August 7, 2020
Nonconglomerability and the Law of Total Probability || Cheenta Probability Series

This explores the unsung sector of probability : "Nonconglomerability" and its effects on conditional probability. This also emphasizes the idea of how important is the idea countable additivity or extending finite addivity to infinite sets.

Read More
August 7, 2020
Area of rectangle | AMC 10A ,2012 | Problem No 21

Try this beautiful Problem on geometry from AMC 10A, 2012. You may use sequential hints to solve the problem.

Read More
© 2010 - 2025, Cheenta Academy. All rights reserved.
linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram