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  2. Central Board of Secondary Education - Wikipedia

    en.wikipedia.org/wiki/Central_Board_of_Secondary...

    However, the Term-I examination was criticised by many for having wrong answer keys, tough question papers and wrong or controversial questions, with a question being dropped in Sociology exam of class 12 and a paragraph in the English Language and Literature exam for class 10 by CBSE following which CBSE dropped the experts who set the ...

  3. National Standard Examination in Chemistry - Wikipedia

    en.wikipedia.org/wiki/National_Standard...

    The National Standard Examination in Chemistry or NSEC is an examination in chemistry for higher secondary school students in India, usually conducted in the end of November. [1] The examination is organized by the Indian Association of Chemistry Teachers. Over 30,000 students, mainly from Standard 12, sit for this examination.

  4. Higher Secondary Certificate - Wikipedia

    en.wikipedia.org/wiki/Higher_Secondary_Certificate

    Class XI - XII roughly covers the 16-17 age group in the context of Bangladesh. [ 6 ] After 10 years of schooling at the primary and secondary level, students who succeed in passing the Secondary School Certificate (SSC) examination have the option of joining a college for a two-year higher secondary education in respective areas of ...

  5. Indian Certificate of Secondary Education - Wikipedia

    en.wikipedia.org/wiki/Indian_Certificate_of...

    The Indian Certificate of Secondary Education (ICSE) is a certificate awarded upon satisfactory result in an examination conducted by the Council for the Indian School Certificate Examinations, a private board designed to provide an examination in a course of general education, in accordance with the recommendations of the New Education Policy 2020 (), through the medium of English.

  6. Twelfth grade - Wikipedia

    en.wikipedia.org/wiki/Twelfth_grade

    A 12th grade visual arts class in Scott County, Virginia in the United States. Twelfth Grade (also known as 12th Grade, Grade 12, Senior Year, Standard 12, 12th Standard, Class 12 or 12th Class) is the twelfth and final year of formal or compulsory education. It is typically the final year of secondary school and K–12 in most parts of the ...

  7. Chemical bond - Wikipedia

    en.wikipedia.org/wiki/Chemical_bond

    A chemical bond is an attraction between atoms. This attraction may be seen as the result of different behaviors of the outermost or valence electrons of atoms. These behaviors merge into each other seamlessly in various circumstances, so that there is no clear line to be drawn between them.

  8. British Summer Time (concerts) - Wikipedia

    en.wikipedia.org/wiki/British_Summer_Time_(concerts)

    British Summer Time Hyde Park (BST Hyde Park) is a music festival held once a year in London's Hyde Park.BST Hyde Park lasts for up to three weeks. Since 2013, BST Hyde Park has seen performers such as Arcade Fire, Celine Dion, Bruce Springsteen, The E Street Band, the Rolling Stones, Bon Jovi, Barbra Streisand, Lionel Richie, Kylie Minogue, Black Sabbath, Neil Young, Pearl Jam, Tom Petty ...

  9. Optimal binary search tree - Wikipedia

    en.wikipedia.org/wiki/Optimal_binary_search_tree

    In computer science, an optimal binary search tree (Optimal BST), sometimes called a weight-balanced binary tree, [1] is a binary search tree which provides the smallest possible search time (or expected search time) for a given sequence of accesses (or access probabilities). Optimal BSTs are generally divided into two types: static and dynamic.