Here is a video solution for a Problem based on Bijection Principle. This is an Objective question 22 from TOMATO for ISI Entrance. Watch and Learn! Here goes the question… Given that: x+y+z=10, where x, y and z are natural numbers. How many such solutions are possible for this equation? We will recommend you to […]
Here is a video solution for a Problem based on finding the area of a quadrilateral. This question is from American Mathematics Competition, AMC 12, 2018. Watch and Learn! Here goes the question… Connect the centroids of the four triangles in a square. Can you find the area of the quadrilateral? We will recommend you […]
Here is a video solution for ISI Entrance Number Theory Problems based on solving weird equations using Inequality. Watch and Learn! Here goes the question… Solve: 2 \cos ^{2}\left(x^{3}+x\right)=2^{x}+2^{-x} We will recommend you to try the problem yourself. Done? Let’s see the proof in the video below: Some Useful Links: How to Construct Rational Numbers? […]
Here is a video solution for ISI Entrance Number Theory Problems based on AM-GM Inequality Problem. Watch and Learn! Here goes the question... a, b, c, d are positive real numbers. Prove that: (1+a)(1+b)(1+c)(1+d) <= 16. We will recommend you to try the problem yourself. Done? Let's see the proof in the video below: Some […]
Here is a video solution for ISI Entrance Number Theory Problems based on Sum of 8 fourth powers. Watch and Learn! Can you show that the sum of 8 fourth powers of integers never adds up to 1993? How can you solve this fourth-degree diophantine equation? Let's see in the video below: Some Useful Links: […]
Problems and Solutions of ISI BStat and BMath Entrance 2020 of Indian Statistical Institute.
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 Similarity Problem from Pre-Regional Mathematics Olympiad, PRMO 2017 Problem 30. You may use sequential hints to solve it.
Try this Problem on Number Theory from Pre-Regional Mathematics Olympiad, PRMO 2016 Problem 1. You may use sequential hints to solve it.
Try this beautiful Problem based on probability from AMC 8 2020 Problem 13. You may use sequential hints to solve it.
Try this beautiful Problem based on dot pattern from AMC 8 2020 Problem 4. You may use sequential hints to solve it.
Try this beautiful Problem based on percentage from AMC 8 2020 Problem 5. You may use sequential hints to solve it.
Try this beautiful Problem based on calculation of area from AMC 8 2020 Problem 3. You may use sequential hints to solve it.
Try this beautiful Problem based on Number theory from AMC 10A, 2002 Problem 15. You may use sequential hints to solve it.
Try this Problem based on simple Arithmetic appeared in Math Kangaroo (Kadett) 2021 Problem 17. You may use sequential hints to solve it.
Try this beautiful Problem based on Divisibility Problem from AMC 2020 Problem 6. You may use sequential hints to solve it.
Try this Problem based on Divisibility Rules appeared in Math Kangaroo (Ecolier) 2021 Problem 21. You may use sequential hints to solve it.