BRAIN TEASERS

enter your answer and press button OK

MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 319

The first user who solved this task is Donya Sayah30.

#brainteasers #math #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

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...

Artificial heart patent

In 1972, a U.S. patent was issued for a "Soft Shell Mushroom Shaped Heart" to the inventor Willem J Kolff of Salt Lake City, Utah (No. 3,641,591). He also invented an artificial kidney dialysis machine.«

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.