I have forgotten the number of the combination of the lock on my
briefcase. I did have a method for remembering it...
Complete the magic square using the numbers 1 to 25 once each. Each
row, column and diagonal adds up to 65.
Weekly Problem 10 - 2007
The square of a number is 12 more than the number itself. The cube of the number is 9 times the number. What is the number?