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  2. Ages of Three Children puzzle - Wikipedia

    en.wikipedia.org/wiki/Ages_of_Three_Children_puzzle

    Because the census taker knew the total (from the number on the gate) but said that he had insufficient information to give a definitive answer, there must be more than one solution with the same total. Only two sets of possible ages add up to the same totals: A. 2 + 6 + 6 = 14 B. 3 + 3 + 8 = 14

  3. Long and short scales - Wikipedia

    en.wikipedia.org/wiki/Long_and_short_scales

    In some places, the large number names were then applied to the smaller numbers, following the new punctuation scheme. Thus, in France and Italy, some scientists then began using billion to mean 10 9 , trillion to mean 10 12 , etc. [ 28 ] This usage formed the origins of the later short scale.

  4. Multiplication algorithm - Wikipedia

    en.wikipedia.org/wiki/Multiplication_algorithm

    First multiply the quarters by 47, the result 94 is written into the first workspace. Next, multiply cwt 12*47 = (2 + 10)*47 but don't add up the partial results (94, 470) yet. Likewise multiply 23 by 47 yielding (141, 940). The quarters column is totaled and the result placed in the second workspace (a trivial move in this case).

  5. Yoruba numerals - Wikipedia

    en.wikipedia.org/wiki/Yoruba_numerals

    Multiples are also very important in the numerical system for example the number 60 is ọgọ́ta which literally means three twenties (ogún = 20, ẹ̀ta = 3). Up to 30, Yoruba has distinct forms of the numerals for counting objects, which derive from counting cowries .

  6. Cebuano numerals - Wikipedia

    en.wikipedia.org/wiki/Cebuano_numerals

    The Cebuano numbers are the system of number names used in Cebuano to express quantities and other information related to numbers. Cebuano has two number systems: the native system and the Spanish-derived system. The native system is mostly used for counting small numbers, basic measurement, and for other pre-existing native concepts that deals ...

  7. Following these 8 habits may add 24 years to your life, study ...

    www.aol.com/following-8-habits-may-add-123000088...

    Scientists examined the lives of 700,000 U.S. veterans before predicting that people who adopted certain habits could live up to 24 years longer. Following these 8 habits may add 24 years to your ...

  8. Multiplication and repeated addition - Wikipedia

    en.wikipedia.org/wiki/Multiplication_and...

    Multiplication is often defined for natural numbers, then extended to whole numbers, fractions, and irrational numbers. However, abstract algebra has a more general definition of multiplication as a binary operation on some objects that may or may not be numbers. Notably, one can multiply complex numbers, vectors, matrices, and quaternions.

  9. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    So think of the next number after 14 that ends with 1, which is 21. After coming to the top of this column, start with the bottom of the next column, and travel in the same direction. The number is 8. So think of the next number after 21 that ends with 8, which is 28. Proceed in the same way until the last number, 3, corresponding to 63.