An Important Petition and a Puzzle

A link to an excellent and important petition, and also a mathematical teaser.

INTRODUCTION

There will be no photographs in this post, but I wanted to put something up today because I several new people are following this blog – my thanks to you all.

THE PUZZLE

This puzzle comes from one my books at home (cannot remember which) and has a particular relevance which I will reveal in my next post: take any three digit number, and multiply by 7, then multiply the new number 11 and finally multiply that number by 13. What do you notice about this latest answer as compared to your original number? For a bonus what two numbers would you need to use as multipliers to achieve an equivalent effect with a four digit starting number?

A REALLY EXCELLENT PETITION

My latest twitter follower, Laura Warwick by name, has created a petition on the British government’s official petitions site (which means it is open only to UK citizens to sign) calling on the government to not allow train companies to increase their fares until they have improved their services. Click the screenshot below to¬†sign and share the perition:

petition

Author: Thomas

I am a founder member and currently secretary of the West Norfolk Autism Group and am autistic myself. I am a very keen photographer and almost every blog post I produce will feature some of my own photographs. I am an avidly keen cricket fan and often post about that sport.

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