MAGIC SQUARE: Calculate A+B-C
[6854] MAGIC SQUARE: Calculate A+B-C - The aim is to place the some numbers from the list (7, 9, 12, 13, 14, 18, 22, 24, 28, 42) 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: 13 - The first user who solved this task is Nasrin 24 T
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 9, 12, 13, 14, 18, 22, 24, 28, 42) 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: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
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Tickets to the theater

A young couple got married and went away on their honeymoon. After two weeks they came back and finally put away all of the presents they received from friends and family. Since this was a new home, the process took some time.

A week later, they received in the mail two tickets for a popular show where tickets were impossible to get. They were very excited and warmed by the gesture of the person who sent this. Inside the envelope, however, was only a small piece of paper with a single line, "Guess who sent them."

The pair had much fun trying to identify the donor, but failed in the effort. They went to the theatre, and had a wonderful time. On their return home late at night, still trying to guess the identity of the unknown host, they found the house stripped of every article of value.

And on the bare table in the dining room was a piece of paper on which was written in the same hand as the enclosure with the tickets: "Now you know!"

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World's first public electricity

In 1881, the Godalming town council in Surrey, England, voted to have the world's first public electricity supply. The contract expired that day with a gas company that lit the community's high street. I instead of renewing that contract at a cost of £210 a year, the council accepted an offer from Calder & Barrett for £195. Earlier in the week, the mayor and councillors saw a demonstration of electrical lighting by that firm, and had inspected the generating plant. The AC generator was driven by a water-wheel on the River Wey at one of the leather mills owned by John Pullman. It could supplied lighting to the mill, street, and some businesses and homes. Though the Thames Embankment in London had arc lamps a couple of years earlier, Godalming preceded Edison's first public supply scheme in London in Jan 1882.«[Aside: Jack Phillips (1887-1912), Chief Wireless Operator on the Titanic, learned Morse code working at Godalming Post Office.]
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