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  2. Answers (periodical) - Wikipedia

    en.wikipedia.org/wiki/Answers_(periodical)

    Answers was a British weekly [1] paper founded in 1888 by Alfred Harmsworth (later Lord Northcliffe). Originally titled Answers to Correspondents , before being shortened soon after, it initially consisted largely of answers to reader-submitted questions, [ 1 ] along with articles on miscellaneous topics, jokes, and serialized literature.

  3. Monty Hall problem - Wikipedia

    en.wikipedia.org/wiki/Monty_Hall_problem

    If the car is behind door 1, the host can open either door 2 or door 3, so the probability that the car is behind door 1 and the host opens door 3 is ⁠ 1 / 3 ⁠ × ⁠ 1 / 2 ⁠ = ⁠ 1 / 6 ⁠. If the car is behind door 2 – with the player having picked door 1 – the host must open door 3, such the probability that the car is behind door ...

  4. The Penguin Dictionary of Curious and Interesting Numbers

    en.wikipedia.org/wiki/The_Penguin_Dictionary_of...

    The Penguin Dictionary of Curious and Interesting Numbers is a reference book for recreational mathematics and elementary number theory written by David Wells. The first edition was published in paperback by Penguin Books in 1986 in the UK, and a revised edition appeared in 1997 (ISBN 0-14-026149-4).

  5. List of long mathematical proofs - Wikipedia

    en.wikipedia.org/wiki/List_of_long_mathematical...

    While Deligne's final paper proving these conjectures were "only" about 30 pages long, it depended on background results in algebraic geometry and étale cohomology that Deligne estimated to be about 2000 pages long. 1974 4-color theorem. Appel and Haken's proof of this took 139 pages, and also depended on long computer calculations.

  6. New American Library - Wikipedia

    en.wikipedia.org/wiki/New_American_Library

    New American Library (NAL) began life as Penguin U.S.A. and as part of Penguin Books of England. Because of complexities of exchange control and import and export regulations—Penguin made the decision to terminate the association, and the company was renamed the New American Library of World Literature in 1948 [1] when Penguin Books' assets (excluding the Penguin and Pelican trademarks) were ...

  7. Penguin Classics - Wikipedia

    en.wikipedia.org/wiki/Penguin_Classics

    Penguin Classics is an imprint of ... are paperback editions of texts with matte paper ... The collection weighed about 750 pounds (340 kg) and took about 77 linear ...

  8. List of Penguin Classics - Wikipedia

    en.wikipedia.org/wiki/List_of_Penguin_Classics

    In 1996, Penguin Books published as a paperback A Complete Annotated Listing of Penguin Classics and Twentieth-Century Classics (ISBN 0-14-771090-1). This article covers editions in the series: black label (1970s), colour-coded spines (1980s), the most recent editions (2000s), and Little Clothbound Classics Series (2020s).

  9. Concepts of Modern Mathematics - Wikipedia

    en.wikipedia.org/wiki/Concepts_of_Modern_Mathematics

    Concepts of Modern Mathematics is a book by mathematician and science popularizer Ian Stewart about then-recent developments in mathematics. It was originally published by Penguin Books in 1975, [ 1 ] [ 2 ] updated in 1981, and reprinted by Dover publications in 1995 [ 3 ] and 2015.