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September 18, 2019
How are Bezout's Theorem and Inverse related? - Number Theory

The inverse of a number (modulo some specific integer) is inherently related to GCD (Greatest Common Divisor). Euclidean Algorithm and Bezout's Theorem forms the bridge between these ideas. We explore these beautiful ideas.

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September 15, 2019
How to use Invariance in Combinatorics - ISI Entrance Problem

Invariance is a fundamental phenomenon in mathematics. In this combinatorics problem from ISI Entrance, we discuss how to use invariance.

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September 6, 2019
The best exponent for an inequality
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June 13, 2019
An alluring trigonometric relation and its Implication
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June 7, 2019
I.S.I Entrance-2013 problem 2

This is the solution of ISI-2013 undergraduate entrance

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June 6, 2019
A function on squares
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June 4, 2019
Extremal Principle : I.S.I Entrance 2013 problem 4

This is a nice problem based on Well-ordering principle , from ISI entrance 2013

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June 2, 2019
Lattice point inside a triangle

Geometry problem from Iran math Olympiad .

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May 28, 2019
An isosceles triangle,on Trigonometry, I.S.I Entrance 2016, Solution to Subjective problem no. 6
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May 26, 2019
Combinatorics - I.S.I 2016 SUBJECTIVE PROBLEM - 1
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June 29, 2020
Problem on Fraction | AMC 10A, 2015 | Question 15

Try this beautiful Problem on Fraction from Algebra from AMC 10A, 2015. You may use sequential hints to solve the problem.

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June 29, 2020
Pen & Note Books Problem| PRMO-2017 | Question 8

Try this beautiful Pen & Note Books Problem from Algebra from PRMO 2017, Question 8. You may use sequential hints to solve the problem.

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June 28, 2020
Greatest Positive Integer | AIME I, 1996 | Question 2

Try this beautiful problem from the American Invitational Mathematics Examination, AIME, 1996, Question 2, based on Greatest Positive Integer.

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June 28, 2020
Integers | AIME I, 1993 Problem | Question 4

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1993 based on Integers. Use sequential hints if required.

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June 27, 2020
Sum of Digits base 10 | PRMO II 2019 | Question 7

Try this beautiful problem from the PRMO II, 2019 based on the Sum of Digits base 10. You may use sequential hints to solve the problem.

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June 27, 2020
Distance travelled | PRMO II 2019 | Question 26

Try this beautiful problem from the PRMO II, 2019, Question 26, based on Distance travelled. You may use sequential hints to solve the problem.

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June 26, 2020
Chords in a Circle | PRMO-2017 | Question 26

Try this beautiful Problem based on Chords in a Circle, Geometry from PRMO 2017, Question 26. You may use sequential hints to solve the problem.

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June 26, 2020
Circle | Geometry Problem | PRMO-2017 | Question 27

Try this beautiful Problem from Geometry based on Circle from PRMO 2017, Question 27. You may use sequential hints to solve the problem.

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June 26, 2020
Trapezoid Problem | AIME I, 1992 | Question 9

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1992 based on Digits and Rationals.

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June 25, 2020
Side of Square | AMC 10A, 2013 | Problem 3

Try this beautiful problem from Geometry: Side of Square from AMC-10A (2013) Problem 3. You may use sequential hints to solve the problem.

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October 30, 2022
IOQM 2022 problems, solutions, discussion

Problems, solutions and discussion on IOQM 2022 (India).

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October 18, 2022
Sword does not need to remember how the whetstone looks

Imagine sharpening your sword with a whetstone. The job of the stone is to sharpen the sword. It does not matter what color the stone is. Cheenta programs are designed like whetstones. They are supposed to sharpen the creativity and problem solving skills through a slow but sure process. They involve thousands of thought provoking […]

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October 8, 2022
Power of the Point: Free Live Class For AMC 8

This Workshop seeks to shed light on the various applications of the Power of the Point with the help of beautiful problems.

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September 28, 2022
How Siva S got into Purdue University for Ph.D. in Mathematics

How Siva S, a student from Cheenta got into Purdue University to pursue Ph.D. in Mathematics? Learn from Siva's Success Story.

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September 27, 2022
PRMO 2016 Problem No 4 | Combination Problem

Try this beautiful Combination Problem based on Non-negative integer solutions from PRMO 2016 Problem 4. You may use sequential hints to solve it.

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September 26, 2022
PRMO 2016 Problem No 5 | Set Theory Problem

Try this beautiful Set theory Problem based on Set theory from PRMO 2016. You may use sequential hints to solve it.

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September 17, 2022
Geometry: Free Live Class For ISI-CMI

This Workshop seeks to shed light on the various applications of the ISI-CMI Geometry concepts with the help of beautiful problems.

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September 16, 2022
NSEP 2015 Problem 12 | Periodic Motion due to Electrostatic Force

Try this problem on periodic oscillation due to charge from NSEP 2015 Problem 12. You may use sequential hints to solve it.

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September 10, 2022
Number Theory: Free Live Class For AMC 8

This Workshop seeks to shed light on the various applications of the Number Theory concepts with the help of beautiful problems.

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September 8, 2022
Math Kangaroo Ecolier 2010 Problem 16 | Mathematical Imagination

Try this beautiful Problem based on Mathematical Imagination from Math Kangaroo (Ecolier) 2010 Problem 16. You may use sequential hints to solve it.

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