As well as the above, you are welcome to scroll down and visit the rest of my blog to enjoy many more of the 1,000 number puzzles at this website. They date from February 2014 all the way back to April 2012. Some are easy and some very tricky, but all require a lot of thought!
Please feel free to either leave a comment below, e-mail me at email@example.com or even tweet @7puzzle with your thoughts! .