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Purna Praharshita Gunturi

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288. Marija Vojinovic 3
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291. Elena Canton 3
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last 3 solved tasks
Remove 5 letters from this sequence (EAXIPESRIEKNCHE) to reveal a familiar English word.
MATH PUZZLE: Can you replace the question mark with a number?
What 3 digit number has a tens digit that is 5 more than the ones digit and a hundreds digit that is 8 less than the tens digit?

John Chipman

Born 25 Apr 1897; died 14 May 1983 at age 86.American physical chemist and metallurgist who researched the role of oxygen in iron and steelmaking. Applying the theories of physical chemistry, he examined the reactions between slag and liquid iron and advanced the techniques of pig iron and steel production. From his work in the early 1930s at the University of Michigan, he began to establish an international reputation for his research on steel. He became a professor of process metallury at M.I.T. in 1937, and was the department head from 1946 until retirement in 1962. During WW II he took a leave of absence from 1943, to work for the Manhattan Project as chief of its metallurgy section, where he found a method to convert powdered unranium into soliod castings, thus providing researchers with a reliable alternate supply of castings when solid uranium was scarce.«

Student exams

Two college seniors had a week of exams coming up. They decided to party instead.

Their biggest exam was on Wednesday and they showed up telling the professor that their car had broken down the night before due to a very flat tire and they needed a bit more time to study. The professor told them that they could have another day to study.

That evening, both of the boys crammed all night until they were sure that they knew just about everything. Arriving to class the next morning, each boy was told to go to separate classrooms to take the exam.

Each shrugged and went to two different parts of the building. As each sat down, they read the first question. "For 5 points, explain the contents of an atom."

At this point, they both thought that this was going to be a piece of cake, and answered the question with ease. Then, the test continued.

"For 95 points, tell me which tire it was."

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