MAGIC SQUARE: Calculate A-B+C
The aim is to place the some numbers from the list (14, 16, 20, 23, 25, 26, 28, 29, 32, 71, 81) 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.Correct answers: 17
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #magicsquare

Klopman diamond....
A businessman boarded a plane to find, sitting next to him, an elegant woman wearing the largest, most stunning diamond ring he had ever seen. He asked her about it.
"This is the Klopman diamond," she said. "It is beautiful, but there is a terrible curse that goes with it."
"What's the curse?" the man asked.
"Mr. Klopman."