MATH PUZZLE: Can you replace...
[3019] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 332 - The first user who solved this task is Donya Sayah30
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 332
The first user who solved this task is Donya Sayah30.
#brainteasers #math #riddles
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Buy Machine Factory

An American manufacturer is showing his machine factory to a potential customer from Albania. At noon, when the lunch whistle blows, two thousand men and women immediately stop work and leave the building.
"Your workers, they're escaping!" cries the visitor. "You've got to stop them."
"Don't worry, they'll be back," says the American. And indeed, at exactly one o'clock the whistle blows again, and all the workers return from their break.
When the tour is over, the manufacturer turns to his guest and says, "Well, now, which of these machines would you like to order?"
"Forget the machines," says the visitor. "How much do you want for that whistle?"
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Roy J. Plunkett

Died 12 May 1994 at age 83 (born 26 Jun 1910).American chemist and inventor of Teflon (the DuPont trademark name for Polytetrafluoroethylene or PTFE). His discovery, while working for DuPont, was accidental. On 6 Apr 1938, Plunkett found that a tank of gaseous tetrafluoroethylene (CF2CF2) had polymerized to a white powder. It was patented on 4 Feb 1941. During WW II this new polymer was applied as a corrosion-resistant coating to protect metal equipment used in the production of radioactive material. DuPont released its trademarked Teflon coated nonstick cookware in 1960.
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