Question

Can you arrange the numbers from 1 to 9 on a board that the numbers in each row, column and diagonal adds up to 15. Can you arrange the numbers from 1 to 9 on a tic tac toe board in a manner that the numbers in each row, column and diagonal adds up to 15. Remember that you have to use all the 9 numbers and thus you cannot repeat.

Answer 1

1 8 6 
7 5 3
4 2 9
OR
2 7 6
9 5 1
4 3 8
OR
9 5 1
4 3 8
2 7 6
OR
8 3 4
1 5 9
6 7 2