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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.

Fritz Schaudinn

Born 19 Sep 1871; died 22 Jun 1906 at age 34.Fritz Richard Schaudinn was a German zoologist and microbiologist who, with dermatologist Erich Hoffmann, discovered (1905) the spirochaete which causes syphilis, Spirochaeta pallida, now known as Treponema pallidum. Schaudinn determined the amoebic nature of tropical dysentery, worked on trypanosomes (flagellated protozoans which include the causal agent of African sleeping sickness, an infection of the bloodstream) and researched malaria. He also demonstrated that human hookworm infection is contracted through the skin of the feet. He made important contributions to zoology and helped develop protozoology as an experimental science. He also discovered the alternation of generations in Foraminifera and Coccidae.«

My friend's dad is a dentist...

My friend's dad is a dentist. This is his pumpkin for Halloween.
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