## Welcome 2022 – #7daysto2022

Last year we did #7daysto2021 to welcome 2021 by solving one puzzle a day. Let us do the same this year to welcome 2022!

## Dates in Arithmetic Progression

Can you find all dates that are in arithmetic progression?

## Adios & Thanks for the memories, Fry’s!

Today I was saddened to hear that Fry’s Electronics is closing all their stores all across the US! In this post, Fry’s was not just … Read More ›

My Sunday afternoon hack – “Bernify your pictures!” http://geekraj.com/bernify I made this web-based tool to add Bernie to your pictures. I forked and tinkered with … Read More ›

## Squares ending in xyxyxyxyxy

If a square number () ends with xyxyxyxyxy, then xy should be one of 21, 29, 61, 69, 84, [Inspired by this Fermat’s Library LinkedIn … Read More ›

## Limiting Ratio of Tribonacci Numbers & Beyond

The Tribonacci series is 1, 1, 2, 4, 7, 13, 24, 44, … In this article, we find the limiting value of adjacent numbers.

## Some Problems from Lilavati by Bhaskara II

A friend of mine posted this on LinkedIn. Quite interesting problems. It should be solvable at 8-10th grade levels. Solutions 1. Number of Apes Let … Read More ›