Raghad Raghad

The aim is to place the some numbers from the list (11, 13, 15, 21, 23, 25, 51, 53, 55) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B+C.

If 874cc + 708a3 = ca82b4 find number abc. Multiple solutions may exist.

If a491b + 12cc1 = 9cbac find number abc. Multiple solutions may exist.