Calculate the number 120
[97] Calculate the number 120 - Calculate the number 120 using numbers [4, 3, 9, 3, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math - Correct Answers: 69 - The first user who solved this task is Sanja Šabović
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Calculate the number 120

Calculate the number 120 using numbers [4, 3, 9, 3, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 69
The first user who solved this task is Sanja Šabović.
#brainteasers #math
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Philosophy Exam

A college student in a philosophy class was taking his first examination.
On the paper there was a single line which simply said: "Is this a question?" - Discuss.
After a short time he wrote: "If that is a question, then this is an answer."
The student received an "A" on the exam.
(True story)
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H.L. Callendar

Died 21 Jan 1930 at age 66 (born 18 Apr 1863).Hugh Longbourne Callendar was an English physicist who was famous for work in calorimetry, thermometry and especially, the thermodynamic properties of steam. He published the first steam tables (1915). In 1886, he invented the platinum resistance thermometer using the electrical resistivity of platinum, enabling the precise measurement of temperatures. He also invented the electrical continuous-flow calorimeter, the compensated air thermometer (1891), a radio balance (1910) and a rolling-chart thermometer (1897) that enabled long-duration collection of climatic temperature data. His son, Guy S. Callendar linked climatic change with increases in carbon dioxide (CO2) resulting from mankind's burning of carbon fuels (1938), known as the Callendar effect, part of the greenhouse effect.«
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