Calculate the number 345
[207] Calculate the number 345 - NUMBERMANIA: Calculate the number 345 using numbers [5, 3, 2, 5, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 45 - The first user who solved this task is Sanja Šabović
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Calculate the number 345

NUMBERMANIA: Calculate the number 345 using numbers [5, 3, 2, 5, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 45
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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English School

Donald MacDonald from Scotland went to study at an English university and was living in the hall of residence with all the other students there. After he had been there a month, his mother came to visit him (no doubt carrying reinforcements of tatties, salt herring, oatmeal and whisky).

“And how do you find the English students, Donald?” she asked.

“Mother,” he replied, “they're such terrible, noisy people. The one on that side keeps banging his head on the wall and won't stop. The one on the other side screams and screams all night.”

“Oh Donald! How do you manage to put up with these awful noisy English neighbors?”

“Mother, I do nothing. I just ignore them. I just stay here quietly, playing my bagpipes.”

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PLUTO pipeline

In 1944, the first fuel-carrying PLUTO (Pipe-Line Under The Ocean) under the English Channel became operational supplying fuel from the Isle of Wight to Cherbourg for vehicles of the Allied forces in France. This over 70 mile pipe was laid in just 10 hours, and is one of the greatest feats of military engineering. The scheme was developed by A.C. Hartley, chief engineer with the Anglo-Iranian Oil Company, from an idea by Admiral Louis Mountbatten to relieve dependence on vulnerable oil tankers. Prototypes of the pipeline were tested at several locations starting in May 1942. Britain and the U.S. then produced sufficient pipe to eventually lay 18 pipelines between England and France pumping 781 million litres of fuel by VE day.*Image: section of pipeline showing lead core and successive protective layers.
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