Which number should replace the question mark?
[217] Which number should replace the question mark? - FUNNY MATH: Which number should replace the question mark? - #brainteasers #math #riddles - Correct Answers: 167 - The first user who solved this task is Eric Newton
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Which number should replace the question mark?

FUNNY MATH: Which number should replace the question mark?
Correct answers: 167
The first user who solved this task is Eric Newton.
#brainteasers #math #riddles
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Lynne Koplitz: Size Zero Roommate

She actually asked me for four grapes once. She counted grapes. What kind of mental patient counts grapes? Do you know anyone who does that? Thats the weirdest thing. I was like, Four grapes... To me grapes arent even a food. Theyre like a palate cleanser. Thats what I eat to get the Big Mac taste out of my mouth.
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Johann Wilhelm Hittorf

Born 27 Mar 1824; died 28 Nov 1914 at age 90.German physicist who was a pioneer in electrochemical research. His early investigations were on the allotropes (different physical forms) of phosphorus and selenium. He was the first to compute the electricity- carrying capacity of charged atoms and molecules (ions), an important factor in understanding electrochemical reactions. He investigated the migration of ions during electrolysis (1853-59), developed expressions for and measured transport numbers. In 1869, he published his laws governing the migration of ions. For his studies of electrical phenomena in rarefied gases, the Hittorf tube has been named for him. Hittorf determined a number of properties of cathode rays, including (before Crookes) the deflection of the rays by a magnet.
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