MAGIC SQUARE: Calculate A-B+C
[2655] MAGIC SQUARE: Calculate A-B+C - The aim is to place the some numbers from the list (7, 13, 14, 16, 22, 23, 25, 66, 67, 68, 70) 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. - #brainteasers #math #magicsquare - Correct Answers: 57 - The first user who solved this task is Eugenio G. F. de Kereki
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (7, 13, 14, 16, 22, 23, 25, 66, 67, 68, 70) 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: 57
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #magicsquare
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The Monastery on a Cliff

There is a story about a monastery perched high on a cliff several hundred feet in the air. The only way to reach the monastery was to be suspended in a basket which was pulled to the top by several monks who pulled and tugged with all their strength. Obviously the ride up the steep cliff in that basket was terrifying. One tourist got exceedingly nervous about half-way up as he noticed that the rope by which he was suspended was old and frayed. With trembling voice, he asked the monk who was riding with him in the basket how often they changed the rope.
The monk thought for a moment and answered brusquely, "Whenever it breaks."
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George B. Kistiakowsky

Died 7 Dec 1982 at age 82 (born 18 Nov 1900).George Bogdan Kistiakowsky was a Russian chemist who worked on developing the first atomic bomb but later advocated banning nuclear weapons. He immigrated to the U.S. in 1926, and taught chemistry at Princeton University then Harvard (1930-71). He served as special assistant to President Eisenhower for science and technology (1959-61). As head of the explosives division of the Los Alamos Laboratory during WW II (1944-46), he oversaw 600 people developing explosives for the first atom bomb. The conventional explosives are used for its detonation to uniformly compress the plutonium sphere and achieve critical mass. In 1977, he became chairman of the Council for a Livable World, which opposes nuclear war.
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