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February 16, 2021
Test of Mathematics Solution Subjective 188 - The Numbered Chessboard

This is a Test of Mathematics Solution Subjective 188 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem Consider the squares of an $ 8 X 8 $ chessboard filled with the […]

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February 16, 2021
Test of Mathematics Solution Subjective 181 - Diagonal Moves

This is a Test of Mathematics Solution Subjective 181 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem Suppose that one moves along […]

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February 16, 2021
Test of Mathematics Solution Subjective 177 -The Famous Doors Problem

This is a Test of Mathematics Solution Subjective 177 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem  There are 1000 doors $ […]

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February 16, 2021
Test of Mathematics Solution Subjective 176 - Value of a Polynomial at x = n+1

This is a Test of Mathematics Solution Subjective 176 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem Suppose that P(x) is a […]

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February 16, 2021
Test of Mathematics Solution Subjective 175 - Integer Roots

This is a Test of Mathematics Solution Subjective 175 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem  Let \(\text{P(x)}=x^n+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+\dots+a_{1}x+a_{0}\) be a polynomial […]

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February 16, 2021
Test of Mathematics Solution Subjective 170 - Infinite Circles

This is a Test of Mathematics Solution Subjective 170 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem Let \({C_n}\) be an infinite […]

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February 16, 2021
Test of Mathematics Solution Subjective 166 -The Grazing Field

This is a Test of Mathematics Solution Subjective 166 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem A cow is grazing with […]

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February 16, 2021
Test of Mathematics Solution Subjective 157 -Limit of a product

This is a Test of Mathematics Solution Subjective 157 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem Evaluate $ \mathbf {\displaystyle \lim_{n […]

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February 16, 2021
Test of Mathematics Solution Subjective 155 -The Lim 1/(n+r) Problem

This is a Test of Mathematics Solution Subjective 155 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem   Evaluate: $ \lim_{n\to\infty} (\frac{1}{n+1}+\frac{1}{n+2}+\frac{1}{n+3}+...+\frac{1}{n+n})$ […]

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February 16, 2021
Test of Mathematics Solution Subjective 150 - Maximum of nth roots of n

This is a Test of Mathematics Solution Subjective 150 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem Find the maximum among $ […]

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November 14, 2024
American Mathematics Contest 12A (AMC 12A) 2024 - Problems and Answers

Here are the problems and solutions of American Mathematics Contest (AMC 12A) of the year 2024 exclusively at Cheenta Academy

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November 10, 2024
Proving Geometric Properties in Isosceles Triangles: A Deep Dive into RMO 2024 Problem No. 3

It's so beautiful to see Euler's Line, collinearity and triangle properties coming together to solve Problem No. 3 of RMO 2024

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November 4, 2024
IIT Kanpur Mathematics Department Opens Olympiad Route for Admission

IIT Kanpur is starting admission through real Math Olympiad (IOQM, RMO, INMO). Other departments may join.

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November 4, 2024
Counting Chains with Casework in Combinatorics: A Problem from the RMO 2024

Explore Combinatorial Problem No. 6 from RMO 2024 and solve it effortlessly with guidance from the expert faculty at Cheenta Academy.

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November 3, 2024
RMO 2024 - Problems & Solutions

Regional Math Olympiad RMO 2024 problems, solutions and discussions.

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October 24, 2024
Sharygin Geometry Olympiad 2024

Cheenta hosted the final round of prestigious Sharygin Geometry Olympiad in India conducted by organisers from esteemed institutions in Russia.. The olympiad is intended for high-school students of four eldest grades. This post contains the problems from this contest.

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October 23, 2024
Proving Cyclic Quadrilaterals and Right Angles: A Problem from the Singapore Math Olympiad

Concyclicity of Cyclic Quadrilateral and Angle chasing can help to solve complex geometry problems of Singapore Math Olympiads.

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October 18, 2024
Mastering Geometry with Apollonius Theorem and Cosine Rule: A Problem from the RMO 2005

Solve a beautiful geometry problem from RMO 2005 with the help of Apollonius Theorem and Cosine Rule along with Midpoint Theorem.

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October 16, 2024
39 Cheenta students succeeded in IOQM 2024

39 Cheenta students qualified for IOQM 2024 (RMO cut-off). About 130 kids students appeared in the contest from Cheenta this year making the success rate about 30%. This remarkable achievement is the result of months of dedicated effort. Most of these students regularly participated in Here are some of the qualified students who additionally qualified […]

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September 8, 2024
IOQM 2024 - Problems and Solutions

Problems and Solutions from IOQM 2024, the first level of Math Olympiad in India.

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