MAGIC SQUARE: Calculate A*B-CThe aim is to place the some numbers from the list (4, 10, 12, 16, 17, 18, 23, 57, 71, 73, 78, 93) 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.
Grandpa and Little Johnny are sitting on a bench in the park. Johnny asked, "Grandpa are you going to take that new Viagra?"
Grandpa looks at him and says, "No Johnny, I will not."
"But Grandpa, why?" asks little Johnny.
Grandpa replies, "Because there is no sense in putting lead in your pencil if you have no one to write to."