Calculate the number 4915
[4295] Calculate the number 4915 - NUMBERMANIA: Calculate the number 4915 using numbers [1, 6, 5, 5, 17, 181] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 19 - The first user who solved this task is Manguexa Wagle
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Calculate the number 4915

NUMBERMANIA: Calculate the number 4915 using numbers [1, 6, 5, 5, 17, 181] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Manguexa Wagle.
#brainteasers #math #numbermania
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John Smith started the day ear...

John Smith started the day early, having set his alarm clock (MADE IN JAPAN) for 6 am.

While his coffeepot (MADE IN CHINA) was perking, he shaved with his electric razor (MADE IN HONG KONG), and put on a dress shirt (MADE IN SRI LANKA), designer jeans (MADE IN SINGAPORE) and tennis shoes (MADE IN KOREA).

After cooking his breakfast in his new electric skillet (MADE IN INDIA), he sat down with his calculator (MADE IN MEXICO), to see how much he could spend today.

After setting his watch (MADE IN TAIWAN) to the radio (MADE IN INDIA), he got in his car (MADE IN JAPAN), filled it with GAS (from SAUDI ARABIA) to continued his search for a good paying AMERICAN JOB.

At the end of yet another discouraging and fruitless day checking his Computer (made in MALAYSIA), John decided to relax for a while.

He put on his sandals (MADE IN BRAZIL), poured himself a glass of wine (MADE IN FRANCE) and turned on his TV (MADE IN INDONESIA)...
And then wondered why he can't find a good paying job in AMERICA.

And now he is hoping he can get help from the president (MADE IN KENYA)?
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Hans Joachim Pabst von Ohain

Died 13 Mar 1998 at age 86 (born 14 Dec 1911).German aeronautical engineer who designed the first operational jet engine. Ohain, at age 22, conceived his theory of jet propulsion (1933) because to fly faster, airplanes could fly higher for lower air resistance, but there, propellers and piston engines worked badly. He saw turbojets as a solution, and took out his first patent on the gas-turbine jet engine in 1935, four years after Frank Whittle. By Sep 1937, Ohain had a hydrogen-fueled bench model producing a 250-km thrust. He designed the HeS3b turbojet engine that powered the first experimental jet aircraft, the He178, on its historic maiden flight at a top speed of about 350 mph on 27 Aug 1939, near Rostock, Germany. Whittle's first jet flew later, in 1941. His continued work on the gas-turbine engine during World War II resulted in abandonment of the centrifugal flow concept, and adoption of the axial flow compressor type engine. After WW II, Ohain worked for the U.S. airforce (1947-79). In 1945, he emigrated to the U.S. and became an engineer for the U.S. Air Force at its engine development centre. In 1956, Von Ohain became Director of the famed Air Force Aeronautical Research Laboratory.
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