Tag Archives: Honsberger

Best viewing angle (Regiomontanus problem)

Posted on June 10, 2024 by Sumant Sumant
Posted in Calculus | Tagged , , , | Leave a comment

6174: Kaprekar’s constant

Posted on December 15, 2022 by Sumant Sumant

Take any 4 digit number and using its digits find the largest and the smallest 4 digit numbers. Find the difference between the two and repeat the process, you will eventually end up with the number in less than 8 … Continue reading →

Posted in Algebra, Number Theory | Tagged , | Leave a comment

GCD of binomial coefficients

Posted on July 22, 2022 by Sumant Sumant
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Orange and green dots

Posted on July 8, 2022 by Sumant Sumant
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Why n^3 < 3^n ?

Posted on July 7, 2022 by Sumant Sumant
Posted in Mathematical Induction, Number Theory, Proof | Tagged | Leave a comment

Constant Chord

Posted on July 6, 2022 by Sumant Sumant
Posted in Geometry | Tagged | Leave a comment

Red and blue dots

Posted on July 6, 2022 by Sumant Sumant
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Why every n-gon has at least n-3 diagonals inside it ?

Posted on July 4, 2022 by Sumant Sumant
Posted in Mathematical Induction, Proof | Tagged , , , | Leave a comment

Minimizing sum of the distance from a point

Posted on July 3, 2022 by Sumant Sumant
Posted in Algebra, Calculus | Tagged | Leave a comment

Last 3 digits of 7^9999

Posted on July 2, 2022 by Sumant Sumant
Posted in Algebra | Tagged | Leave a comment