Find number abc
[8044] Find number abc - If a65ca - a40a6 = b44c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 0
BRAIN TEASERS
enter your answer and press button OK

Find number abc

If a65ca - a40a6 = b44c find number abc. Multiple solutions may exist.
Correct answers: 0
#brainteasers #math
Register with your Google Account and start collecting points.
Check your ranking on list.

Silence is the best

Silence is the best response to a fool!
Jokes of the day - Daily updated jokes. New jokes every day.
Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

Electric race-track amusement patent

In 1899, black American inventor, Granville T. Woods was issued a U.S. patent for an "Amusement Apparatus" (No. 639,692). Woods, as the most prolific African-American inventor of the late 19th and early 20th centuries, has been called the black Edison. His numerous inventions included a steam-boiler furnace, telephone, telegraph system, electric railway and automatic air brake for railroad safety. This patent design was for small scale or large scale electrically-driven cars on a closed track, such as a figure-8 layout . If carrying persons, Woods claimed that it was suitable for amusement "use at summer and other resorts, at fairs, &c., and in or out of doors." The track could cross at different levels, or on the same level.«
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.