MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 150
The first user who solved this task is Miloš Mitić.
#brainteasers #math #riddles
Moon reached by laser lightIn 1962, a laser beam was bounced off the moon from earth by MIT scientists. The area of the light beam on the surface was estimated at a diameter of 4 miles. |