Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?
In a square in which the houses are evenly spaced, numbers 3 and 10 are opposite each other. What is the smallest and what is the largest possible number of houses in the square?
Find the words hidden inside each of the circles by counting around a certain number of spaces to find each letter in turn.
Exactly $195$ digits have been used to number the pages in a book.
How many pages does the book have?