Can you replace the question mark with a number?
[6379] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 104 - The first user who solved this task is Nasrin 24 T
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 104
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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Vocabulary

Accountant - Someone who knows the cost of everything and the value of nothing.
Auditor - Someone who arrives after the battle and bayonets all the wounded.
Banker - The fellow who lends you his umbrella when the sun is shining and wants it back the minute it begins to rain. (Mark Twain)
Economist - An expert who will know tomorrow why the things he predicted yesterday didn't happen today.
Statistician - Someone who is good with numbers but lacks the personality to be an accountant.
Actuary - Someone who brings a fake bomb on a plane, because that decreases the chances that there will be another bomb on the plane.
Programmer - Someone who solves a problem you didn't know you had in a way you don't understand.
Mathematician - A blind man in a dark room looking for a black cat which isn't there.
Lawyer - A person who writes a 10,000 word document and calls it a "brief."
Psychologist - A man who watches everyone else when a beautiful girl enters the room.
Schoolteacher - A disillusioned woman who used to think she liked children.
Consultant - Someone who takes the watch off your wrist and tells you the time.
Diplomat - Someone who can tell you to go to hell in such a way that you will look forward to the trip.
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Pitot tube

In 1732, Henri Pitot read a paper to the Royal Academy of Sciences in Paris about an instrument he had invented to measure the flow velocity at different depths of water in the River Seine*. It had a scale and two open vertical glass tubes on a wood frame. The lower end of one pointed down, the other bent at 90º facing the flow. The belief of the time was that flow velocity at a given depth was proportional to the mass above it, meaning increasing velocity at greater depth. Recording the difference in liquid levels in the two tubes, he showed the opposite was true. Henri Darcy improved the design, with the support of Henri Bazin. Today, the Pitot tube has an important application in aerodynamics for the measurement of the airspeed of aircraft.«[Image: Book illustration showing a variation on Pitot tube by another practitioner presented by Fanning,1877.]
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