Cheenta Blog Since 2010

Mathematics is Beautiful
University Application
Guides
Books
ISI Entrance
Math Olympiad
বাংলা
All Posts
March 19, 2018
Wheel of Numbers - Open Slate
Read More
March 14, 2018
Not Pythagorean Triple

The Idea: Modular arithmetic provides a way to understand Pythagorean Equations. In the following videos we will explore the process.

Read More
March 12, 2018
Math Problems: Seemingly Easy, Yet intense!

Try 3 levels of Math problems that seem easy, yet it is intense. Challenge yourself and your friends with these problems. Level 1 - Easy - 10 points The first problem is something that is somewhat elementary.  From a biased coin(a coin where the probability of heads is not 1/2) how can you generate two […]

Read More
March 2, 2018
Barycentric Coordinates - I.S.I 2014 Problem 2

In I.S.I 2014 Problem 2 we have tried to solve a problem using the idea of barycentric coordinates.

Read More
February 28, 2018
March Problem Lists

Understand Choose your course and download the Problem List document. The assignment page link is also added. You may submit the solutions there. This will constitute 50% of your monthly grade. Math Olympiad Early Bird (India) Number Theory Problem List (Early Bird) Link to Assignment Page (only registered users may access) Chemistry Olympiad Program Thermodynamics […]

Read More
February 16, 2018
A familiar Functional Equation

Cauchy's functional equations are very simple. The most familiar one has a simple formula: f(x + y) = f(x) + f(y) But first, for the uninitiated, what is a functional equation after all?  What is a functional equation? Usually, functions appear as formulae. For example ( f(x) = x^2 ) is a function. It takes […]

Read More
January 29, 2018
Contraction of a function - advanced Cheenta seminar

It is almost like deflating a balloon. But the effect is exponential.  Today (29th January 2018, Monday), we have a special concept building cum problem-solving session on Contraction of a function.    When   10 PM I.S.T. (29th January 2018)    Where:    Online (link will be posted in Cheenta Commons, Open Slate skype group)   […]

Read More
January 21, 2018
B.Math 2005 Problem 5 Part 1

Problem Next Continue here

Read More
December 31, 2017
Graphing an Integral - Part 3

This is a video in which you would learn Graphing an Integral. This is the third part of the video. It is taken from ISI B.Stat 2005 Problem 2. Watch, learn and enjoy the video.

Read More
December 30, 2017
Graphing an Integral - Part 2

This is a video in which you would learn Graphing an Integral. This is the second part of the video. It is taken from ISI B.Stat 2005 Problem 2. Watch, learn and enjoy the video.

Read More
May 18, 2020
Fair coin Problem | AIME I, 1990 | Question 9

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on Fair Coin Problem.

Read More
May 18, 2020
Sum of the numbers | AMC-10A, 2001 | Problem 16

Try this beautiful problem from algebra, based on Sum of the numbers from AMC-10A, 2001. You may use sequential hints to solve the problem.

Read More
May 17, 2020
Area of the Region Problem | AMC-10A, 2007 | Problem 24

Try this beautiful problem from Geometry: Area of region from AMC-10A, 2007, Problem-24. You may use sequential hints to solve the problem.

Read More
May 17, 2020
Circular Cylinder Problem | AMC-10A, 2001 | Problem 21

Try this beautiful problem from Geometry: circular cylinder from AMC-10A, 2001. You may use sequential hints to solve the problem.

Read More
May 17, 2020
Algebraic Equation | AMC-10A, 2001 | Problem 10

Try this beautiful problem from algebra, based on algebraic equations from AMC-10A, 2001. You may use sequential hints to solve the problem.

Read More
May 17, 2020
Ordered pair Problem | AIME I, 1987 | Question 1

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on Ordered pair. You may use sequential hints.

Read More
May 17, 2020
Positive divisor | AIME I, 1988 | Question 5

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on combinatorics in Tournament.

Read More
May 16, 2020
Rearrangement Problem | PRMO 2019 | Question 27

Try this beautiful problem from the Pre-RMO, 2019 based on the Diameter of a circle. You may use sequential hints to solve the problem.

Read More
May 16, 2020
Natural Numbers Problem | PRMO 2019 | Question 30

Try this beautiful problem from the Pre-RMO, 2019 based on natural numbers. You may use sequential hints to solve the problem.

Read More
May 16, 2020
Arranging in column | AIME I, 1990 | Question 8

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on Interior Angle.

Read More
May 19, 2022
NSEP 2015 Problem 3 | Rotational Motion

Try this problem on circular Motion and angular momentum from NSEP 2015. You may use sequential hints to solve it.

Read More
May 18, 2022
What are the Opportunities in College for Mathematics in India and Abroad

On 28th May 2022, Dr. Ashani Dasgupta is going to guide the students about the Opportunities in College for Mathematics in India and abroad.

Read More
May 18, 2022
How to Prepare for ISI-CMI Entrances 2023

On 28th May 2022, Dr. Ashani Dasgupta is going to guide the students to prepare for ISI-CMI Entrances 2023 on the basis of his teaching experience since 2010.

Read More
May 18, 2022
AMC 10A 2021 I Problem 20 | Enumeration

Try this beautiful Problem based on Enumeration from AMC 10A 2021, Problem 20. You may use sequential hints to solve it.

Read More
May 17, 2022
Math Kangaroo (Benjamin) 2021 Problem No 22

Try this beautiful Problem based on simple Arithmetic appeared in Math Kangaroo (Benjamin) - 2021 Problem 22. You may use sequential hints to solve it.

Read More
May 16, 2022
NSEP 2019 Problem 26 | Projectile Motion

Try this beautiful 2D Motion Problem based on Projectile Motion from NSEP 2019, Problem 26. You may use sequential hints to solve it.

Read More
May 15, 2022
NSEP 2015 Problem 2 | Rotational Motion

Try this problem on Rotational Motion from National Standard Examination in Physics, NSEP 2015. You may use sequential hints to solve it.

Read More
May 14, 2022
Math Kangaroo (Benjamin) 2020 Problem 26 | Divisibility Rule

Try this beautiful Problem based on Divisibility Rule from Math Kangaroo (Benjamin) 2020. You may use sequential hints to solve it.

Read More
May 13, 2022
AMC 10A 2021 Problem 14 | Vieta's Formula

Try this beautiful Problem based on Vieta's Formula from AMC 10A, 2021 Problem 14. You may use sequential hints to solve it.

Read More
May 12, 2022
ISI 2021 Subjective Problem 5 I A Problem from Polynomials

Try this beautiful Subjective Problem 5 from Polynomials appeared in ISI Entrance - 2021. You may use sequential hints to solve it.

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