Calculate the number 175
[105] Calculate the number 175 - Calculate the number 175 using numbers [4, 4, 6, 5, 20, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math - Correct Answers: 64 - The first user who solved this task is Sanja Šabović
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Calculate the number 175

Calculate the number 175 using numbers [4, 4, 6, 5, 20, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 64
The first user who solved this task is Sanja Šabović.
#brainteasers #math
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An armless man walked into a b...

An armless man walked into a bar which is empty except for the bartender.
He ordered a drink and when he was served, asked the bartender if he would get the money from his wallet in his pocket, since he has no arms.
The bartender obliged him. He then asked if the bartender would tip the glass to his lips.
The bartender did this until the man finished his drink. He then asked if the bartender would get a hanky from his pocket and wipe the foam from his lips.
The bartender did it and commented it must be very difficult not to have arms and have to ask someone to do nearly everything for him.
The man said, "Yes, it is a bit embarrassing at times. By the way, where is your restroom?"
The bartender quickly replies, "The closest one is in the gas station three blocks down the street."
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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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