Math Puzzle: Only highly intelligent readers can solve this math puzzle in 12 seconds. Are you one of them? Test your problem-solving skills now! A math puzzle is a type of brain teaser that tests the ...

WSJ's Varsity Math is a weekly dose of challenging puzzles, created by the National Museum of Mathematics. The museum's Glen Whitney guides viewers through "Instant Interrogation," a game he created.

Brain teasers are excellent puzzle games for providing the brain with an effective mental workout. Math puzzles are a type of brain teaser that requires you to find the missing value. These types of ...

Some of the most satisfying number puzzles require little mathematical know-how. In fact, cracking the one below calls for thinking that is quite nonmathematical. I don’t know where or when I first ...

Imagine someone handing you a scrap of net from a basketball hoop, with knotted red cord attached to the netting, and telling you this bit of string is a clue in a puzzle. How quickly — if ever — ...