BRAIN TEASERS

enter your answer and press button OK

Calculate the number 320

NUMBERMANIA: Calculate the number 320 using numbers [8, 5, 7, 5, 57, 520] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 14

The first user who solved this task is Nílton Corrêa De Sousa.

#brainteasers #math #numbermania

Register with your Google Account and start collecting points.

Check your ranking on list.

Santa and ex girlfriend

Ok! Yes! I went to my old girlfriend's house last night! It's my job!

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...

First motorcycle on U.S. stamp

In 1922, the new issue of the blue 10-cent U.S. Special Delivery stamp had for the first time the image of a motor cycle, replacing the 9 Dec 1902 version with a bicycle. Being the first new stamp of the Harding presidency, the revised design demonstrated a growing post-World War I interest in developing technology. This stamp began the year's series of new regular postage stamps, collectively having a patriotic theme, and was issued with much more publicity than any previous regular series. The increased level of attention given by the Post Office Department to this series included giving advance notice, and is regarded as the early roots of the later practice of issuing First Day Covers for stamp collectors.«

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.