BRAIN TEASERS

enter your answer and press button OK

Calculate the number 670

NUMBERMANIA: Calculate the number 670 using numbers [5, 8, 9, 6, 93, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 2

#brainteasers #math #numbermania

Register with your Google Account and start collecting points.

Check your ranking on list.

Proof of my insanity

Proof of my insanity was when I stole a dried grape from a cow: Textbook unraisin-a-bull behaviour.

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...

Hermann Franz Moritz Kopp

Born 30 Oct 1817; died 20 Feb 1892 at age 74. German chemist and historian of chemistry whose studies of the relation of physical properties to chemical structure pioneered physical organic chemistry. Through measurement of boiling point, density, specific heat, and thermal expansion, Kopp showed that differences in the physical properties of organic compounds reflected the degree by which their structure differs.

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.