IQ tests present the readers with problems in the form of picture puzzles or math problems, and the reader needs to find the solution within a time limit. These simple puzzle games make the brain ...

In 2023, I posed 23 challenges as part of the Gizmodo Monday Puzzle series. Some require a bit of math, and others a light familiarity with physics; but most can be solved through logic and creative ...

Here, count with me: 1, 2, 3, 4, 5, 6, 7, 8, 9, T, 11, 12 … Oh, what’s that? You write ten with “zero”? Fair enough. Zero, we have been told, is the ...

Two identical bolts are placed together so that their helical grooves intermesh (see illustration). If you move the bolts around each other as you would twiddle your thumbs, holding each bolt firmly ...

The correct answer to the Simple Puzzle quest is 304272. This result is derived through a series of mathematical steps involving multiplication and addition. In the Simple Puzzle quest, you will ...

All the Latest Game Footage and Images from Carmen Sandiego Adventures in Math: The Island of Diamonds Carmen Sandiego is back and only you can foil her V.I.L.E plans. Travel the globe, solve ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...

Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want ...

A man walks down a down-moving escalator and reaches the bottom after taking 50 steps. As an experiment, he then runs up the same escalator, one step at a time, and reaches the top after taking 125 ...

The Blue Prince billiard room puzzle will give you keys as a reward, but only if you can solve the math problems that use colored segments on a dartboard instead of the usual symbols. Thankfully, you ...