Calculate the number 1576
[5136] Calculate the number 1576 - NUMBERMANIA: Calculate the number 1576 using numbers [5, 7, 2, 1, 36, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 22 - The first user who solved this task is Thinh Ddh
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Calculate the number 1576

NUMBERMANIA: Calculate the number 1576 using numbers [5, 7, 2, 1, 36, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 22
The first user who solved this task is Thinh Ddh.
#brainteasers #math #numbermania
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Math Teacher

The night before one exam, two students tied one on, (well, actually, tied two on, one each), and managed to sleep through the final. They realized they were in serious trouble, so they agreed to tell the professor that they had a flat tire on the way to the exam.
``No problem." said the Professor, ``Come by my office at 5 P.M. and I'll give you the exam then."
Feeling pretty clever, the students spent the intervening time getting information on the exam from students who had already taken it, and making sure they knew how to do the problems. Coming to the professor's office that evening, they were told, ``Leave your books in my office, and I'll put you in two separate rooms for the exam." They were both ecstatic to see that the Professor had given them the exact same exam taken by the class that morning. However, there was an additional page tacked on the end, upon which was written, "For 50% of the grade, which tire was flat?"    

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Edison electric passenger train

In 1931, the Lackawanna railroad inaugurated electric suburban service from Hoboken to Montclair, NJ, in an effort to keep smoke down around New York. Thomas Edison himself was at the controls of the first multiple-unit train to leave Hoboken Terminal. The “wickerliners” were so named for their early wicker seats. To supply electricity, the railroads erected bare overhead wires, called a “catenary.” The locomotives had a special, cage-like contact on the roof that touched the catenary to provide a flow of electricty from the contact to a large electric motor. Short-run commuter electric trains did not need large engine power because they carried passengers. The locomotive looked like a passenger car, but with an engineer's compartment in front.[Image: unidentified train.]
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