Fill numbers from 1 to 9 so that every row , column and diagonally add up to 15 .You can use no. 1 to 9 only once.

A

8 1 6 3 5 7 4 9 2

B

4 3 8 9 5 1 2 7 6

Fill a 5*5 matrix with elements 1 to 25 so that the sum of each row, sum of each column, and sum of diagonal elements gives same result.