A 3x3 magic square is an array of nine distinct positive integers such that the sum of the numbers in each row, each column, and each of the two diagonals is the same. In the following magic square:

What are the possible values of the lower left corner? And what is the maximum possible value of any number in the array?

The required maximum value at the lower left corner is 35.

Posted by K Sengupta on 2022-12-08 02:50:14