Replace the question mark with a number
[3821] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 308 - The first user who solved this task is Manguexa Wagle
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 308
The first user who solved this task is Manguexa Wagle.
#brainteasers #math #riddles
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Bubba applied for an engineeri...

Bubba applied for an engineering position at a Lake Charles refinery. A Yankee applied for the same job and both applicants having the same qualifications were asked to take a test by the manager. Upon completion of the test, both men only missed one of the questions. The manager went to Bubba and said: "Thank you for your interest, but we've decided to give the Yankee the job."Bubba asked: "And why are you giving him the job? We both got nine questions correct. This being Louisiana, and me being a Southern boy, I should get the job!"
The manager said: "We have made our decision not on the correct answers, but rather on the one question that you both missed."
Bubba then asked: "And just how would one incorrect answer be better than the other?"
The manager replied: "Bubba, its like this. On question #4 the Yankee put down; "I don't know." You put down, "Neither do I."
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Liquid-fuel rocket patent

In 1914, the first U.S. patent for a liquid-fueled rocket design, titled “Rocket Apparatus”was granted to Dr Robert Goddard, (U.S. No. 1,103,503). It described a combustion chamber, with expander nozzle, into which liquid fuels are pumped. At age 31, this was his second rocket patent. A week earlier, on 7 Jul 1914, his first patent, also for a “Rocket Apparatus” was issued. (U.S. No. 1,102,653) which described the multi-stage rocket concept. On 16 Mar 1926, his test launch, the first ever of a liquid-fuelled rocket, managed to propel a 10-ft long projectile to a height of 41-ft (12.5m). Its 2.5 second flight covered a distance of 184-ft at an average speed of 60-mph. The fuel was a combination of liquid oxygen and gasoline.«
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