BRAIN TEASERS

enter your answer and press button OK

Calculate the number 1451

NUMBERMANIA: Calculate the number 1451 using numbers [6, 1, 6, 7, 72, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 16

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

Register with your Google Account and start collecting points.

Check your ranking on list.

Crazy people don't know they are crazy

Crazy people don't know they are crazy, I know i'm crazy therefore i'm not crazy. Isn't that crazy.

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...

Edmund Davy

Died 5 Nov 1857 (born 1785). English chemist who discovered acetylene gas. He gained experience while assisting his cousin, Humphry Davy in his chemical researches at the Royal Institution. From 1813, he pursued a career as a professor of chemistry in Ireland. Edmund Davy was the first to discover a finely divided, spongy platinum with remarkable gas-absorptive and catalytic properties. In 1836, by heating potassium carbonate with carbon at very high temperatures, he produced a residue of what is now known as potassium carbide, (K2C2), which reacted with water to release a new gas he recognised as a “new carburet of hydrogen.” In 1860, during a thorough investigation of hydrocarbons, Marcellin Berthelot rediscovered the gas and coined its name “acetylene”«

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.