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  2. Vedantu - Wikipedia

    en.wikipedia.org/wiki/Vedantu

    In 2019, Vedantu suffered a data breach exposing the data of about 687,000 users, including email addresses, IP addresses, names, phone numbers, genders and passwords. [8] In January 2022, the company joined Byju's, Simplilearn, Unacademy, PrepInsta Prime and upGrad and became one of the founding members of IAMAI's India EdTech Consortium. [9]

  3. Doubtnut - Wikipedia

    en.wikipedia.org/wiki/Doubtnut

    [7] [8] In 2022, the company secured 224 crore in Series B funding, with SIG and Lupa Systems leading the investment. Existing investors, including Sequoia Capital India, Omidyar Network India, and Waterbridge Ventures, also participated in the round. [9] On December 4, 2023, Allen Career Institute acquired Doubtnut for US$10 million. [3] [4]

  4. Brahmagupta - Wikipedia

    en.wikipedia.org/wiki/Brahmagupta

    This is an accepted version of this page This is the latest accepted revision, reviewed on 18 February 2025. Indian mathematician and astronomer (598–668) Brahmagupta Born c. 598 CE Bhillamala, Gurjaradesa, Chavda kingdom (modern day Bhinmal, Rajasthan, India) Died c. 668 CE (aged c. 69–70) Ujjain, Chalukya Empire (modern day Madhya Pradesh, India) Known for Rules for computing with Zero ...

  5. Arundhati Roy - Wikipedia

    en.wikipedia.org/wiki/Arundhati_Roy

    Suzanna Arundhati Roy (Bengali pronunciation: [orundʱoti rae̯]; born 24 November 1961) [1] is an Indian author best known for her novel The God of Small Things (1997), which won the Booker Prize for Fiction in 1997 and became the best-selling book by a non-expatriate Indian author. [1]

  6. Member states of the Commonwealth of Nations - Wikipedia

    en.wikipedia.org/wiki/Member_states_of_the...

    Includes the city of Gwadar, transferred from Muscat and Oman on 8 September 1958. Included Bangladesh (then known as East Pakistan ) until 1971. [ 13 ] Left Commonwealth in January 1972, rejoined 1990, effective retroactively from October 1989; suspended in 1999, suspension lifted in 2004; again suspended in 2007, [ 47 ] suspension lifted in 2008.

  7. List of U.S. states and territories by population - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    The United States Census counts the persons residing in the United States including citizens, non-citizen permanent residents and non-citizen long-term visitors. [2] Civilian and military federal employees serving abroad and their dependents are counted in their home state.

  8. Fischer indole synthesis - Wikipedia

    en.wikipedia.org/wiki/Fischer_indole_synthesis

    Today antimigraine drugs of the triptan class are often synthesized by this method. The Fischer indole synthesis. This reaction can be catalyzed by Brønsted acids such as HCl, H 2 SO 4, polyphosphoric acid and p-toluenesulfonic acid or Lewis acids such as boron trifluoride, zinc chloride, and aluminium chloride. Several reviews have been ...

  9. Mpemba effect - Wikipedia

    en.wikipedia.org/wiki/Mpemba_effect

    The phenomenon, when taken to mean "hot water freezes faster than cold", is difficult to reproduce or confirm because it is ill-defined. [4] Monwhea Jeng proposed a more precise wording: "There exists a set of initial parameters, and a pair of temperatures, such that given two bodies of water identical in these parameters, and differing only in initial uniform temperatures, the hot one will ...