MAGIC SQUARE: Calculate A+B+C
[7266] MAGIC SQUARE: Calculate A+B+C - The aim is to place the some numbers from the list (5, 6, 7, 14, 15, 16, 20, 21, 22, 36, 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: 2
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (5, 6, 7, 14, 15, 16, 20, 21, 22, 36, 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: 2
#brainteasers #math #magicsquare
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A bar owner locked up his plac...

A bar owner locked up his place at 2 AM and went home to sleep. He had been in bed only a few minutes when the phone rang. “What time do you open up in the morning?” he heard an obviously inebriated man inquire.
The owner was so furious, he slammed down the receiver and went back to bed. A few minutes later there was another call and he heard the same voice ask the same question. “Listen, the owner shouted, “there’s no sense in asking me what time I open because I wouldn’t let a person in your condition in—“
“I don’t want to get in,” the caller interjected. “I want to get out.”
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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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