What is the missing number?
[4956] What is the missing number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 95 - The first user who solved this task is Djordje Timotijevic
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What is the missing number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 95
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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A man runs to the doctor and s...

A man runs to the doctor and says: "Doctor, you've got to help me. My wife thinks she's a chicken!"
The doctor asks: How long was she had this condition?"
"Two years." replies the man.
"Then why did it take you so long to come and see me?" asked the doctor. The man shrugs his shoulders and replies: "We needed the eggs"
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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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