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Solve This Number Puzzle

What will be the missing number? (9, 19, 40, ?, 170)

Correct answers: 221

The first user who solved this task is Sanja Šabović.

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A thin girl

I met a beautiful girl last night, but she was rather thin. I mean this is a skinny girl. You never saw anybody so thin. She turned sideways you didn’t see her. I took her to a restaurant and the maître'd said to me, 'Can I check your umbrella?'

Mel Brooks (June 28 1926-)

Picture: Kim Kulish / AFP

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Christian Freiherr von Wolff

Born 24 Jan 1679; died 9 Apr 1754 at age 75.(baron) German philosopher, mathematician, and scientist who worked in many subjects but who is best known as the German spokesman of the Enlightenment, the 18th-century philosophical movement characterized by Rationalism. Wolff's first interest was mathematics. Though he made no original contribution to the discipline, he was important in the teaching of mathematics and instrumental in introducing the new mathematics into German universities. Later, as a philosopher, he developed the most impressive coherent system of his century. Thoroughly eclectic, influenced by Leibniz and Descartes, yet he continued fundamental themes of Aristotle. His system was important in making the discoveries of modern science known in Germany.

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