Here at PopMech, we love mind-bending math and logic puzzles, which is why we regularly recruit the sharpest minds in the world to concoct riddles that will test your critical thinking, mathematics, ...

A lot of trial and error is needed, and, although there are ways to help limit the set of possibilities, there isn’t a surefire method of arriving at a solution in ...

The puzzle reads: 3 + 4 = 19 5 + 6 = 4 1 2 + 8 = 66 5 + 1 = ? At first glance, none of these make sense. According to standard math, 3 plus 4 is 7 — so how do we ...

We almost have a solution to an exceptionally tricky mathematical riddle first posed 82 years ago. The problem, known as the Collatz conjecture, is easy to state. Start with any positive whole number.

Riddles are a type of brain teaser that comes in the form of questions, sentences, or statements. Riddles are great brain ...