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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. Shapley value - Wikipedia

    en.wikipedia.org/wiki/Shapley_value

    The Shapley value is a solution concept in cooperative game theory. It was named in honor of Lloyd Shapley, who introduced it in 1951 and won the Nobel Memorial Prize in Economic Sciences for it in 2012. To each cooperative game it assigns a unique distribution (among the players) of a total surplus generated by the coalition of all players ...

  4. Wheat and chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Wheat_and_chessboard_problem

    The problem may be solved using simple addition. With 64 squares on a chessboard, if the number of grains doubles on successive squares, then the sum of grains on all 64 squares is: 1 + 2 + 4 + 8 + ... and so forth for the 64 squares. The total number of grains can be shown to be 2 64 −1 or 18,446,744,073,709,551,615 (eighteen quintillion ...

  5. Net present value - Wikipedia

    en.wikipedia.org/wiki/Net_present_value

    The net present value ( NPV) or net present worth ( NPW) [1] is a way of measuring the value of an asset that has cashflow by adding up the present value of all the future cash flows that asset will generate. The present value of a cash flow depends on the interval of time between now and the cash flow because of the Time value of money (which ...

  6. Discounting - Wikipedia

    en.wikipedia.org/wiki/Discounting

    Discounting. In finance, discounting is a mechanism in which a debtor obtains the right to delay payments to a creditor, for a defined period of time, in exchange for a charge or fee. [1] Essentially, the party that owes money in the present purchases the right to delay the payment until some future date. [2]

  7. Do you burn more calories when it's hot out? What a ... - AOL

    www.aol.com/news/burn-more-calories-hot...

    You won't burn more calories in the heat, but that may be a different story in cold weather. According to the National Institutes of Health, the body works very hard to maintain its internal body ...

  8. Solving chess - Wikipedia

    en.wikipedia.org/wiki/Solving_chess

    Solving chess. Solving chess consists of finding an optimal strategy for the game of chess; that is, one by which one of the players ( White or Black) can always force a victory, or either can force a draw (see solved game ). It is also related to more generally solving chess-like games (i.e. combinatorial games of perfect information) such as ...

  9. The Best Girl Scout Cookie for Your Zodiac Sign - AOL

    www.aol.com/best-girl-scout-cookie-zodiac...

    Cancer: Toffee-tastic. Cancer Toffee-tastic. Girl Scouts of America. Cancer, you appreciate tradition and simplicity. Toffee-tastic cookies are rich, buttery, and filled with sweet, crunchy toffee ...