MAGIC SQUARE: Calculate A+B-C
[7245] MAGIC SQUARE: Calculate A+B-C - The aim is to place the some numbers from the list (3, 12, 15, 16, 22, 24, 25, 26, 39, 42, 43, 58) 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: 3
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (3, 12, 15, 16, 22, 24, 25, 26, 39, 42, 43, 58) 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: 3
#brainteasers #math #magicsquare
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Deserted island

Harry was shipwrecked on a deserted island. For several months, he longed for someone to talk to; searched the horizons for even the suggestion of a ship.

One day, his committment was rewarded: A beautiful woman was washed up onto the beach, floating on a large steamer trunk. Harry got her all settled, and fed, and dried off and they started talking.

April asked Harry, "what is something you've REALLY missed being out here on a desserted island for so long?"

"A clean shirt," was Harry's response. With a huff, April reached into the steamer trunk and tossed Harry a shirt.

April let out a short huff, but persevered: "Surely there's SOMETHING you've really missed out here...all alone...on an island with NOBODY all this time?"

"Oh wow, YEAH, there sure is: I'd REALLY like a dry pillow to sleep on."

April reached into her steamer trunk once again and tossed Harry a pillow; and she would not be put off. Striking her most alluring pose, she asked in her most provocative voice, "C'mon, Harry, wouldn't you like to play around?"

Harry got all excited and started jumping up and down. "Don't tell me you have a set of GOLF CLUBS in there, too?!???!?!"

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Liquifaction of oxygen

In 1879, the liquefaction of oxygen was announced by Raoul Pierre Pictet (1846-1929), a Swiss chemist and physicist, by sending a telegram to the French Academy: Oxygen liquefied today under 320-atm and 140 degrees of cold by combined use of sulfurous and carbonic acid. French physicist Louis Cailletet made a similar announcement two days later. Pictet's early interest was in ice-making machines. Later, he studied extremely low temperatures and the liquefaction of gases. Both Pictet and Cailletet used both cooling and compression to liquefy oxygen but they achieved this using different techniques. Pictet's method had an advantage in that produced the liquid gas in greater quantity and was easier to apply to other gases.[Image: part of a Pictet machine to cool down glycerine, which was pumped through a piping system in the first artificial skating track:]
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