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 […]
We are really happy with the performance of our students and thus, we have initiated to name the Toppers of the month in Cheenta. The names of the toppers will be updated every month to keep the healthy competition alive in Cheenta. These toppers are named in this leader board according to their performance in […]
This is another blog of the Cheenta Probability Series. Let's give a formal definition of statistical regularity to bring some seriousness into account. **10 min read** “The Law of Statistical Regularity formulated in the mathematical theory of probability lays down that a moderately large number of items chosen at random from a very large group […]
This is a very beautiful sample problem from ISI MStat PSB 2012 Problem 5 based on the Application of Central Limit Theorem.
Try this TOMATO Objective Problem from I.S.I. B.Stat Entrance based on Sum of divisors and Integers. You may use sequential hints to solve the problem.
Try this TOMATO problem from I.S.I. B.Stat Entrance Objective Problem based on Divisibility and Integers. You may use sequential hints to solve the problem.
This concept of independence, conditional probability and information contained always fascinated me. I have thus shared some thoughts upon this.
Try this problem from I.S.I. B.Stat Entrance Objective Problem from TOMATO based on Sets and Probability. You may use sequential hints to solve the problem.
Try this problem from I.S.I. B.Stat Entrance Objective Problem from TOMATO based on Number Series.
Try this beautiful Problem based on Vieta's Formula from AMC 10A, 2021 Problem 14. You may use sequential hints to solve it.
Try this beautiful Recurrence Problem based on Chessboard from IOQM 2022, Part A, Problem 9. You may use sequential hints to solve it.
Try this beautiful Problem on Trigonometry from PRMO -2018.You may use sequential hints to solve the problem.
Tools for middle school children and their parents. How to help kids fall in love with mathematical science and prepare them for math and sciecnce olympiads, ISI, CMI Entrances and other contests in the long run?
Answer Key (This is a work in progress, please proceed with caution. We are reviewing some of these answers). Problem 1 Three parallel lines $L_{1}, L_{2}, L_{3}$ are drawn in the plane such that the perpendicular distance between $L_{1}$ and $L_{2}$ is 3 and the perpendicular distance between $L_{2}$ and $L_{3}$ is also $3 .$ […]
Try this beautiful problem from the Pre-RMO, 2019 based on Smallest Positive Integer. You may use sequential hints to solve the problem.
What is Mathcounts? MATHCOUNTS is a national middle school mathematics contest held in different places in the U.S. states and territories. It is established in 1983, which provides engaging mathematics programs to the US middle school students of different ability levels to grow their confidence and improve the attitudes about mathematics and problem solving. Who are the […]
What is AMC 12? American Mathematics Contest 12 (AMC 12) is the 2nd stage of the Math Olympiad Contest in the US after AMC 8 and AMC 10. The contest is in multiple-choice format and aims to develop problem-solving abilities. The difficulty of the problems dynamically varies and is based on important mathematical principles. These […]
What is AMC 10? American Mathematics Contest 10 (AMC 10) is the 2nd stage of the Math Olympiad Contest in the US after AMC 8. The contest is in multiple-choice format and aims to develop problem-solving abilities. The difficulty of the problems dynamically varies and is based on important mathematical principles. These contests have lasting […]