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  2. Missing dollar riddle - Wikipedia

    en.wikipedia.org/wiki/Missing_dollar_riddle

    The actual solution to this riddle is to add correctly (correct time, correct person and correct location) from the bank point of view which in this case seems to be the problem: First day: $30 in the bank + $20 owner already withdrew = $50. Second day: $15 in the bank + ($15 + $20 owner already withdrew) = $50.

  3. Ghana National Science and Maths Quiz - Wikipedia

    en.wikipedia.org/wiki/Ghana_National_Science_and...

    1993. (1993) –. present. (present) The National Science and Maths Quiz is an annual science and mathematics content-based national level quiz competition for senior high schools in Ghana. It has been produced by Primetime Limited, an education-interest advertising and public relations agency, since 1993. [1]

  4. 24 (puzzle) - Wikipedia

    en.wikipedia.org/wiki/24_(puzzle)

    The 24 puzzle is an arithmetical puzzle in which the objective is to find a way to manipulate four integers so that the end result is 24. For example, for the numbers 4, 7, 8, 8, a possible solution is . The problem has been played as a card game in Shanghai since the 1960s, [1] using playing cards. It has been known by other names, including ...

  5. Triviality (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Triviality_(mathematics)

    In mathematics, the adjective trivial is often used to refer to a claim or a case which can be readily obtained from context, or an object which possesses a simple structure (e.g., groups, topological spaces). [1][2] The noun triviality usually refers to a simple technical aspect of some proof or definition.

  6. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    In this method, the score is reduced by the number of wrong answers divided by the average number of possible answers for all questions in the test, w/(c – 1) where w is the number of wrong responses on the test and c is the average number of possible choices for all questions on the test. [9]

  7. BrainPop - Wikipedia

    en.wikipedia.org/wiki/BrainPop

    BrainPop (stylized as BrainPOP) is a group of educational websites founded in 1999 by Avraham Kadar, M.D. and Chanan Kadmon, based in New York City. As of 2024, the websites host over 1,000 short animated movies for students in grades K–8 (ages 5 to 14), together with quizzes and related materials, covering the subjects of science, social studies, English, math, engineering and technology ...

  8. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    t. e. The Millennium Prize Problems are seven well-known complex mathematical problems selected by the Clay Mathematics Institute in 2000. The Clay Institute has pledged a US$ 1 million prize for the first correct solution to each problem. The Clay Mathematics Institute officially designated the title Millennium Problem for the seven unsolved ...

  9. Chipotle brings back trivia game, offering customers free food

    www.aol.com/news/chipotle-brings-back-trivia...

    A Chipotle spokesperson says the company will be offering 300,000 BOGO codes as Chipotle IQ prizes, and 52 free burritos each to 50 fans. The retail value of these prizes exceeds $1 million, they ...

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