What is the purpose of the magic squares?

What angle is 220? What are the 2 pairs of adjacent sides? What is one-third of 80 percent? What is the odd number between 7345 and 7443? What is 2x-76? What is the mean between 18 22 22 24 25 26 26 30 33 33 33 36? How many cubical grains of ordinary table salt equals one millimeter? What does the name bisma means? What is 39.96 rounded to tenths? What atmosphere is a plane in? What does it mean when a system of nonlinear equations has an extraneous solution? What is longer 8 feet or 3 yards? What is a system of symbols that can be strung together in an infinite number of ways for communicating abstract ways? Do two lines in the same plane always intersect in 1 point? How do you write 6 million 400 thousand? If there are 7 days in a week and 52 weeks in a year then how do you get 365 days? Can the base period of an index number be less than 100? What order least to greatest 1.11 0.111 1.01 1.0011? How can you make 2 using four 5's? How id recursive sequence different from an arithmetic or geometric sequence?