Monthly Archives: December 2022

Taylor Polynomial Approximation

Posted on December 20, 2022 by Sumant Sumant

https://www.geogebra.org/classic/tuekdkdg

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Distance between point and a plane (direct formula)

Posted on December 20, 2022 by Sumant Sumant
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What is the smallest positive integer whose digits have a product 2700 ?

Posted on December 18, 2022 by Sumant Sumant
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Bags of Marbles

Posted on December 15, 2022 by Sumant Sumant

I have a certain number of bags, and they contain different numbers of marblea. Between the first and second bags, there is a square number of Marbles that is not great er than 100. The same is true between the … Continue reading →

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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 →

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Mary and Lucy’s Coin

Posted on December 15, 2022 by Sumant Sumant

Lucy has forty-eight identical coins. She places half of them, with heads facing up, in a 4 by 6 rectangle. She uses the other twenty-four coins, with tails facing up, to form a frame around the rectangle. Mary has a … Continue reading →

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The Bogota Puzzles by Bernardo Recaman

Posted on December 14, 2022 by Sumant Sumant

“If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy”. -Alfred Renyi Professor Bernardo (famous for Recaman Sequence) and author of various other books on mathematics including “Los Numeros una … Continue reading →

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Los Numeros: Una historia para contar

Posted on December 14, 2022 by Sumant Sumant

Published in 2016 by famous mathematician and puzzler Bernardo Recaman Santos is a wonderful introduction to subject of mathematics. It will appeal to people of all ages and especially who never liked mathematics. Its filled with stories of his favorite … Continue reading →

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A Pyramid

Posted on December 14, 2022 by Sumant Sumant

This is a very famous pattern you can find in almost all recreation mathematics book. Here is a simple python script to generate that. Notice the final value is always an odd digit number and the max value is reached … Continue reading →

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What is the number ?

Posted on December 13, 2022 by Sumant Sumant

There is a number which is divisible by all numbers between 1 and 200 except two consecutive numbers. What are those two consecutive numbers ? Since the two numbers are consecutive. One is even and other is odd. Now the … Continue reading →

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