Sharing math puzzles, strange pi facts, and new records is all part of the fun. So to celebrate Pi Day, here's a quick quiz to test your knowledge. If you need a clue, press the yellow button.

A challenging brainteaser tests critical thinking with a math problem of finding the missing value: 3 - 3 x 6 + 2 = ?. Solvers have seven seconds to use the BODMAS rule. Frequent practice of such ...