Find number abc
[7080] Find number abc - If 30843 - a0a4c = 20c9b find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 18 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 30843 - a0a4c = 20c9b find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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A blonde pilot decided she wan...

A blonde pilot decided she wanted to learn how to fly a helicopter.
She went to the airport, but the only one available was a solo-helicopter. The Instructor figured he could let her go up alone since she was already a pilot for small planes and he could instruct her by radio.
So up the blonde went. She reached 1,000 feet and everything was going smoothly. She reached 2,000 feet. The blonde and the Instructor kept talking via radio. Everything was running smoothly. At 3,000 feet the helicopter suddenly came down quickly! It skimmed the top of some trees and crash landed in the woods. The Instructor jumped into his jeep and rushed out to see if the blonde was okay. As he reached the edge of the woods, the blonde was walking out.
"What happened?" the Instructor asked. "All was going so well until you reached 3000 feet. What happened then?"
"Well," began the blonde, "I got cold. So I turned off the ceiling fan."
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Anton Flettner

Born 1 Nov 1885; died 29 Dec 1961 at age 76.German inventor who produced a practical helicopter for the German navy (1940). He also developed a device that allowed airplane pilots to raise or lower a plane's nose for better control. It evolved into a mechanism called the Flettner trim-tab control which is still used on all airplanes. He designed a rotor ship (1924) on which he replaced sails with unique propulsion - two 50-ft cylinders, electrically rotated, mounted vertically on the deck. A transatlantic voyage was accomplished using the aerodynamic power of the Magnus Effect which builds pressure behind a rotating cylinder. After WW II, he went to the U.S., and conducted helicopter research for the U.S. Army. He also invented a windmill and the Flettner marine rudder.«
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