Show puzzle solution Four airplanes will do the trick. One solution: Planes 1, 2, 3 and 4 take off together. After going one sixth of the distance around Earth, planes 1 and 4 transfer half their ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost ...

Show puzzle solution Three airplanes are quite sufficient to ensure the flight of one plane around the world. There are many ways this can be done, but the following seems to be the most efficient.

Can you solve the math puzzle in 5 seconds? If you can, you have a high IQ and a highly analytical mind. Your time starts now! Experts suggest that people who can solve such brain teasers have ...

UPDATE: May 18, 2017, 5: ... A math question apparently meant for 7-year-olds has left adults befuddled. The bonus math question -- which was first said to have originated on a first-grade level ...