BRAIN TEASERS

enter your answer and press button OK

Find number abc

If c5cba + c6084 = 5aba5 find number abc. Multiple solutions may exist.

Correct answers: 11

#brainteasers #math

Register with your Google Account and start collecting points.

Check your ranking on list.

A chicken and an egg are lying...

A chicken and an egg are lying in bed.
The chicken is smoking a cigarette with a satisfied smile on its face.
The egg is frowning and looking a bit pissed off.
The egg mutters, to no one in particular, "Well, I guess we answered THAT question!"

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...

U.S. prototype meter and kilogram

In 1890, the seals were broken on prototype meter No. 27 and prototype kilogram No. 20 in the Cabinet room of the Executive Mansion by U.S. President Benjamin Harrison, observed by the Secretary of State, the Secretary of the Treasury, and invited guests. Following the Metric Convention (20 May 1875), which the U.S. had signed, prototype measures had been prepared of platinum-iridium alloy from the international prototypes in France, and were ready for distribution on 26 Sep 1889. Two of each were furnished to the U.S.: kilograms Nos. 21 and 27, and meters Nos. 4 and 20. Those on which the seals were broken were thereby adopted as the U.S. national prototypes, which would thereafter be used to define all measurements of length and weight in the U.S.«

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.