BRAIN TEASERS

enter your answer and press button OK

Find number abc

If b7c07 + 6acba = 11cbac find number abc. Multiple solutions may exist.

Correct answers: 1

#brainteasers #math

Register with your Google Account and start collecting points.

Check your ranking on list.

A lady sitting in the dentist...

A lady sitting in the dentist chair told the dentist, "I would rather go through the pain of child birth than have you drill in my mouth." The dentist replied, "Well, you had better make up your mind so I can adjust my chair."

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...

Lathe

In 1819, a U.S. patent for a profile lathe was issued to Thomas Blanchard of Middlebury, Connecticut. It was capable of manufacturing irregular forms, such as gun stocks. His machine used a friction-wheel to follow the surface of a sample pattern and a cutting wheel on the same shaft which would thus carve the workpiece to the same contour. It could produce the work of 13 operators, and thus provided the finished materials at much less cost. After inventing a tack-making machine at his brother's factory, Blanchard was recruited by the U.S. Armory at Springfield, Mass. to build machines to efficiently produce gun parts. Congress twice extended this patent, first to 1834, then to 1848, giving a total of 42 years in force.*

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.