Replace the question mark with a number
[3173] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 566 - The first user who solved this task is Sanja Šabović
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 566
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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Sleep at age 21 and 40

Four hours of sleep at age 21: I'm ready to party again. Four hours of sleep at age 40: Say one thing to me and i'll smack you in the face.
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Loren Eiseley

Born 3 Sep 1907; died 9 Jul 1977 at age 69. Loren (Corey) Eiseley was a U.S. anthropologist, educator, and was one of the preeminent literary naturalists of our time. He wrote for the lay person in eloquent, poetic style about anthropology, the history of the civilatization and our relationship with the natural world. Scientific American published Loren Eisleys' first popular essay, The Folsum Mystery (1942). Eiseley's best-known book, The Immense Journey, combines science and humanism in a collection of essays, many with origins to his own early Nebraska experiences. Eiseley became known internationally, winning major prizes and honorary degrees for his unique work.
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