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Suzette Gorrell

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162. krishna pranav 22
163. igra mala 22
164. Suzette Gorrell 21
165. ranvijay singh 21
166. Aleksandra Rastić Šopen 21
last 3 solved tasks
Look at the series (17, 15, 11, 3, 6, 12, 5), determine the pattern, and find the value of the next number!
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Word Association: RING, LUNCH, SCHOOL, ALARM

Arthur Jeffrey Dempster

Born 14 Aug 1886; died 11 Mar 1950 at age 63.Canadian-American physicist who in 1918 built the first mass spectrometer (based on the invention of Francis W. Aston) and discovered isotope uranium-235 (1935). The mass spectrometer is an instrument that uses electric and magnetic fields to separate and measure a sample's atoms according to their mass and relative quantity. In 1935, he discovered that naturally occurring uranium, though mostly uranium-238, contained 0.7% U-235 (later used as the primary fuel in atomic bombs and reactors after Niels Bohr predicted it could be used to produce a chain reaction releasing huge amounts of nuclear fission energy). During WW II, Dempster worked with the secret Manhattan Project that developed the world's first nuclear weapons.«

A guy had just returned from t...

A guy had just returned from two weeks of vacation. He asked his boss for two more weeks off to get married.
"What?" shouted the boss, "I can't give you more time now. Why didn't you get married while you were off?"
"Are you nuts?" he replied. "That would have ruined my whole vacation."
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