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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Juston McKinney: Parking Tickets in New York

The first ticket I got in Manhattan I thought was a misprint. Im like, No, this has got to be a mistake. You put a quarter in the meter out there and it runs out, its a $55 fine. Thats a little excessive. Now, I could see it if you parked in a handicapped persons living room, but not for the meter running out. It goes from 25 cents to $55. Thats a 22,000% increase.
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Automatic telephone exchange

In 1892, the first automatic telephone exchange, using the switching device invented by Almon B. Strowger, (born 1839) opened to the public in LaPorte, Indiana, with about seventy-five subscribers. A considerable amount of ceremony was attached to the affair, with a special train run from Chicago and a brass band on hand to greet the guests. This early system did not use a dial to enter the desired number. Instead, using three keys, one for each digit of a three-digit number, a subscriber pressed each key the appropriate number of times for each digit. The first dial phones (with projecting vanes instead of holes) was used in Milwaukee's City Hall (1896).* In the UK, the very first Strowger exchange opened at Epsom in Surrey in 1912.
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