FUN WITH 2015 MAGIC SQUARE

               391    397   403   409   415

               404   410   411   392   398

               412   393   399   405   406

               400   401   407   413   394

               408   414   395   396   402

               

                         

        From the above square you cover any 2x2 square numbers and we can easily disclose the sum of those numbers in the covered squre.
        Suppose you cover the square containing  numbers 397,403,410and411.we can say the total is 1621.

       You can use the above square and play with your friend. Find the fun..If not find I will disclose the secret in my next posting..Bye.