Calculate the number 6820
[3808] Calculate the number 6820 - NUMBERMANIA: Calculate the number 6820 using numbers [9, 2, 9, 9, 36, 361] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 14 - The first user who solved this task is Manguexa Wagle
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Calculate the number 6820

NUMBERMANIA: Calculate the number 6820 using numbers [9, 2, 9, 9, 36, 361] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 14
The first user who solved this task is Manguexa Wagle.
#brainteasers #math #numbermania
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A family took their frail, eld...

A family took their frail, elderly mother to a nursing home and left her,hoping she would be well cared for. The next morning, the nurses bathed her,fed her a tasty breakfast, and set her in a chair at a window overlooking a lovely flower garden.
She seemed okay, but after a while she slowly started to tilt sideways in her chair.Two attentive nurses immediately rushed up to catch her and straighten her up.
Again she seemed okay, but after a while she slowly started to tilt over to her other side.The nurses rushed back and once more brought her back upright. This went on all morning.Later, the family arrived to see how the old woman was adjusting to her new home.
"So Ma, how is it here? Are they treating you all right?"
"It's pretty nice," she replied. "Except they won't let me fart."
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Otis patent

In 1852, Elisha Graves Otis was issued a U.S. patent for a “Railroad-Car Truck and Brake” (No. 8973). Otis is well-known for his invention of the safety elevator in the same year, which used automatic braking devices to arrest the fall of an elevator car if its supporting cable broke. His inventiveness also spanned making a turbine waterwheel (1848), a steam plow (1857), rotary oven (1858) and steam elevator (1861). In his patent for the railroad car brake, he described a way to link rods running the length of each car in a train that activated brakes, and connected with compensating joints to the next car's rod. Thus a single lever could apply all brakes simultaneously. He also described his idea to construct guards enclosing wheels on the trucks, such that if a wheel or axle broke, the car would safely remain on the tracks.«
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