How many circles contain the white dot?
How many circles contain the white dot?Correct answers: 134
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #riddles
John WilkinsDied 19 Nov 1672 (born 1614). English churchman, scholar and scientist who was one of the founders and the first secretary of the Royal Society, London. He wrote for the common reader the Discovery (1638) and the Discourse (1640) which showed how reason and experience supported Copernicus, Kepler and Galileo rather than Aristotlian or literal biblical doctrines. In 1641, he anonymously published a small but comprehensive treatise on cryptography. In Mathematical Magick (1648) he described and illustrated the balance lever, wheel, pulley, wedge and screw in a part called “Archimedes or Mechanical Powers” and in a second part “Daedalus or Mechanical Motions” such strange devices as flying machines, artificial spiders, a land yacht, and a submarine.« |