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Chandu Rajyaguru

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5. Fazil Hashim 4353
6. Jakubovski Vladimir 4239
7. Chandu Rajyaguru 4187
8. H Tav 3780
9. Manguexa Wagle 3755
last 3 solved tasks
Can you name the athletes by the picture?
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
NUMBERMANIA: Calculate the number 4882 using numbers [7, 8, 5, 9, 43, 528] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Karl Karlovich Klaus

Born 23 Jan 1796; died 24 Mar 1864 at age 68.Russian chemist and biologist whowas born and died in Russia, but wasof German origin, so is also known as Carl Ernst Claus. He discovered ruthenium (1844), which was the last dense, inert, platinum-like metal to be found. He earned degrees in chemistry, then a Ph.D. in pharmacy, but Klaus gained an international reputation for his researches on the platinum metals (osmium, palladium, iridium, and rhodium). His discovery of ruthenium resulted from an analysis of the waste residues of the platinum refinery in St. Petersburg. He named the element from Ruthenia, the Latin name for Russia. Klaus also investigated flora and fauna of Volga steppes.

A 60-year-old man went to the...

A 60-year-old man went to the doctor for a check-up. The doctor told him, "You're in terrific shape. There's nothing wrong with you. Why, you might live forever. You have the body of a 35 year old. By the way, how old was your father when he died?"
The 60 year old responded, "Who said he was dead?"
The doctor was surprised and asked, "How old is he and is he very active?"
The 60 year old responded, "Well, he is 82 years old and he still goes skiing three times a season and surfing three times a week during the summer."
The doctor couldn't believe it. "Well, how old was your grandfather when he died?"
The 60 year old responded again, "Who said he was dead?"
The doctor was astonished. He said, "You mean to tell me you are 60 years old and both your father and your grandfather are alive? Is your grandfather very active?"
The 60 year old said, "He goes skiing at least once a season and surfing once a week during the summer. Not only that," said the patient, "my grandfather is 106 years old, and next week he is getting married again."
The doctor said, "At 106 years old, why on earth would your grandfather want to get married?"
His patient looked up at the doctor and said, "Who said he wanted to?"
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