Calculate the number 2140
[3799] Calculate the number 2140 - NUMBERMANIA: Calculate the number 2140 using numbers [1, 5, 8, 9, 69, 443] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 16 - The first user who solved this task is Rutu Raj
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Calculate the number 2140

NUMBERMANIA: Calculate the number 2140 using numbers [1, 5, 8, 9, 69, 443] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
The first user who solved this task is Rutu Raj.
#brainteasers #math #numbermania
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The mural

Every newspaper in New York sent a reporter and a staff photographer to the office of a local ophthalmologist when it was learned that he recently performed a successful sight- saving operation on the wife of the country's most celebrated mural artist, who, in addition to paying the doctor's usual fee, had gratefully insisted on painting one of his contemporary masterpieces across an entire wall of the doctor's waiting room.

The mural turned out to be an immense multicolored picture of a human eye, in the center of which stood a perfect miniature likeness of the good doctor himself.

While cameras clicked and most of the newsmen crowded around the famous artist for his comments, one cub reporter drew the eye specialist aside and asked:

"Tell me, if you can, Doctor-what was your first reaction on seeing this fantastic artistic achievement covering an entire wall of your office?"

"To tell the truth," the physician replied, "my first thought was, thank goodness I'm not a hemorrhoid specialist!"

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Voyager aircraft

In 1986, Voyager, the experimental aircraft piloted by Dick Rutan and Jeana Yeager, took off from Edwards Air Force Base in California on the first non-stop, non-refueled flight around the world. The trip took nine days. They piloted the aircraft from a cramped 7.5-ft long , 3.3-ft wide and under 3-ft. tall cockpit. Voyager's takeoff weight was more than 10 times the structural weight, but its drag was lower than almost any other powered aircraft. The aircraft's design and light-weight structural materials allowed it to carry an unprecedented amount of fuel. During its 25,000 mile flight, Voyager flew at an average speed of 115.8 mph. This flight nearly doubled the previous distance record set in 1962 by a USAF/Boeing B-52H.
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