What number comes next?
Look at the series, determine the pattern, and find the value of the unknown number!Correct answers: 34
The first user who solved this task is Sanja Šabović.
#brainteasers #math
Black American patentIn 1874, a U.S. patent for a "Steam Lubricator" was issued to the prolific Black American inventor, Elijah J. McCoy (No. 146,697). |