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Veljko Bojovic

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last 3 solved tasks
There is bomb on top of a computer; around the computer are a hairbrush, keys, phone and a cup. When the explosion comes, what item destroyed first?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
The aim is to place the some numbers from the list (5, 6, 8, 9, 10, 15, 19, 44, 45, 54, 74) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B*C.

Joel H. Hildebrand

Born 16 Nov 1881; died 30 Apr 1983 at age 101. U.S. educator and chemist whose monograph Solubility (1924; later editions, Solubility of Non-Electrolytes) was the classic reference for almost a half century. The Hildebrand solubility parameter carries his name. Through his research on the chemistry of solutions, he helped to protect deep-sea divers from “bends.” He led the fight against a faculty “loyalty oath,” a non-Communist declaration, at University of California (1950). He had no sympathy with Communists, but he and other prominent members of the faculty felt that the oath, by being required of teachers alone, was discriminatory with regard to all university employees. Two years later, the California State Supreme Court decided unanimously in favour of the faculty.

Animal testing

John is a PETA (People for the Ethical Treatment of Animals) member and is discussing animal welfare with his friend Ludwik.
John says, "Animal testing is such a cruel and bad practice."
Ludvick comments, "Yeah, they get all nervous and give the wrong answers."
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