Calculate the number 2237
[7854] Calculate the number 2237 - NUMBERMANIA: Calculate the number 2237 using numbers [8, 6, 5, 7, 58, 314] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 3
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Calculate the number 2237

NUMBERMANIA: Calculate the number 2237 using numbers [8, 6, 5, 7, 58, 314] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
#brainteasers #math #numbermania
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Photographer

A photographer for a national magazine was assigned to take pictures of a great forest fire. He was advised that a small plane would be waiting to fly him over the fire.
The photographer arrived at the airstrip just an hour before sundown. Sure enough, a small Cessna airplane was waiting. He jumped in with his equipment and shouted, "Let's go!" The tense man sitting in the pilot's seat swung the plane into the wind and soon they were in the air, though flying erratically.
"Fly over the north side of the fire," said the photographer, "And make several low-level passes."
"Why?" asked the nervous pilot.
"Because I'm going to take pictures!" yelled the photographer. "I'm a photographer, and photographers take pictures!"
The pilot replied, "You mean you're not the flight instructor?"  

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Latimer patent

In 1886, a U.S. patent was issued for an “Apparatus for Cooling and Disinfecting” to African-American Lewis H. Latimer. (No. 334,078). It consisted of a suitable fabric stretched between a water reservoir and a drip-pan to saturate it and present “a large evaporating surface to cool air about passing over it.” It could be placed in a window frame so that air passing through it would be cooled by evaporation of the water. In neighborhoods with unpleasant odors, deodorizing or disinfecting liquids could be added to or substitute the water, using “chemical agents - such as carbolic acid, bromochloralum, &c.,” to destroy such odors or germs. His first patented invention was for a water-closet for railroad cars (10 Feb 1874, No. 147,363).«
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