MAGIC SQUARE: Calculate A+B-C
[5821] MAGIC SQUARE: Calculate A+B-C - The aim is to place the some numbers from the list (8, 11, 12, 18, 21, 22, 26, 29, 30, 97) 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: 22 - The first user who solved this task is Nílton Corrêa De Sousa
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (8, 11, 12, 18, 21, 22, 26, 29, 30, 97) 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: 22
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #magicsquare
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When the gambler wakes up from...

When the gambler wakes up from dreaming about a huge glowing number 5 made of gold and diamonds, he knows it's an omen. So he grabs a racing form and looks up that day's fifth race. Sure enough, the number 5 horse in the fifth race is Fifth Element. So for the rest of the day he does everything in fives: He eats five bowls of cereal for breakfast, goes for a five-mile run, takes a five minute shower, and wears the fifth jacket he finds in his closet.
At the racetrack, he buys five programs, bets $555 on the fifth horse in the fifth race, and sits in the fifth seat of the fifth row of the bleachers in section five.
And when the gun goes off, he settles in and watches his horse come in fifth.
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Flashlight patent

In 1899, a U.S. patent was issued for an "Electric Device," invented by David Misell, which was manufactured as the first tubular "Flash Light" by Conrad Hubert at his American Electrical Novelty and Manufacturing Company (No. 617,592). The limited power of the batteries of the era could only power the inefficient carbon-filament miniature light bulb for brief periods of time between periods of recovery time. As batteries improved, it remained known as a "flashlight" in the U.S., but known as a torch in Britain. Misell was British, but lived in Manhattan, N.Y. at the time of the patent. His design had a tubular case, lens over a reflector and bulb at one end, an switch for intermittent use, used cylindrical batteries contained end-to-end in the now familiar manner, and a removable cap at the other end to insert them.[Image: Detail of head of the flashlight from cross-section patent drawing.]
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