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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 381

The first user who solved this task is Djordje Timotijevic.

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My mother says she never holds...

My mother says she never holds grudges but then will blindside you with something that happened years ago.
Last week she said, "You know, you really hurt me on your birthday."
And I was like, "Which birthday was that?"
So she replied, "The first one. You have a really big head, you know."

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Carl Alsberg

Born 2 Apr 1877; died 1 Nov 1940 at age 63.Carl Lucas Alsberg was an American agricultural chemist who wasinfluential in his field, and an authority on the biochemistry of foods. He was a chemical biologist with the Bureau of Plant Industry in the U. S. Department of Agriculture (1908-12) then the second chief of the Bureau of Chemistry (1912-21). He then joined the faculty of Stanford University and directed the Food Institute until 1937. He did work on on seafood, poisonous plants and mold toxicology. He also did research on metabolism, protein and enzyme chemistry and studied commodity regulation, food supply and population . He was the first editor of the Journal of the Association of Official Agricultural Chemists. The Bureau of Chemistry in Jul 1927 became known as the Food, Drug, and Insecticide Administration, and from Jul 1927, the Food and Drug Administration.«

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