MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 763
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
Elkanah BillingsBorn 5 May 1820; died 14 Jun 1876 at age 56.Canadian geologist and paleontologist, who was the first Canadian paleontologist. For three years as the editor of the Ottawa Citizen, he wrote a series of articles on science, including geology and paleontology. He published his first scientific paper on Trenton fossils in 1854. He launched a new monthly periodical, The Canadian Naturalist and Geologist in 1856, which he also edited and was the major contributor. In Aug 1856 he was appointed staff paleontologist with the Canadian Geological Survey by William Edmond Logan, the founder of the Survey. Billings immediately began the task of identifying a 20-year backlog of fossils collected by the Survey. By 1863 he had published descriptions of no fewer than 526 new species of fossils. |