MAGIC SQUARE: Calculate A-B+C
[5608] MAGIC SQUARE: Calculate A-B+C - The aim is to place the some numbers from the list (7, 8, 10, 11, 14, 16, 17, 25, 27, 28) 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: 20 - The first user who solved this task is Djordje Timotijevic
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (7, 8, 10, 11, 14, 16, 17, 25, 27, 28) 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: 20
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #magicsquare
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Poison

A man goes to see the Rabbi. "Rabbi, something terrible is happening and I have to talk to you about it."
The Rabbi asked, "What's wrong?"
The man replied, "My wife is poisoning me."
The Rabbi, very surprised by this, asks, "How can that be?"
The man then pleads, "I'm telling you, I'm certain she's poisoning me. What should I do?"
The Rabbi then offers, "Tell you what. Let me talk to her. I'll see what I can find out and I'll let you know."
A week later the Rabbi calls the man and says. "I spoke to your wife...spoke to her on the phone for three hours. You want my advice?"
The man said yes, and the Rabbi replied, "Take the poison!"    

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Electric store lighting

In 1878, the first electric lighting in an American store was installed, using eight dynamos to run 28 Brush arc lamps* at John Wanamaker's extensive “Grand Depot” department store, Philadelphia, Pa. In 1875, he had bought the Pennsylvania Railroad depot for $500,000 and converted it into his innovative Grand Depot department store. The lamps had two sets of electrodes working alternately to lengthen the operating period. (patented by the maker, Charles F. Brush, on 2 Sep 1879, U.S. patent No. 219,208). The arc lamps gave a steadier light, but gas-lighting was retained as back-up. By 1888, Wanamaker had 355 arc lamps and 80 incandescent lamps*. He followed electric lights with ventilation fans. The electric displays drew customers.«
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