The total value is represented by the digits in the tens and ones places of the number in column 3. This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission.

Lewis Carroll’s best-known work may hold traces of his beliefs as an Oxford maths professor. Marrying imagination with logic, ...

September/1892024/equation-feat.jpg" width="1200" height="675" /> Brainteasers are more than just puzzles; they're mental ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Math can feel like a maze of numbers and rules, but with the right approach, it becomes easier and enjoyable. Break problems ...

In Dice Route, you can look forward to passing the time by giving your mathematical mastery a good workout using this simple concept - the sum of the number on top and at the bottom of the die is ...

A viral Reddit brain teaser using fruits as numbers challenges users to solve tricky equations. Can you crack the code?

We’d love to hear from you! E-mail us at [email protected] to share your experience. This puzzle originally appeared in ...

The aging process can lead to diminished cognitive functioning for older adults. In addition, about 10 percent of people previously diagnosed with mild cognitive impairment develop Alzheimer's disease ...

Mental maths is one of the most essential skills students need to master. Whether it’s calculating the price of groceries or ...

Despite its star-studded roster, the Phoenix Suns are still figuring out how to unlock its full offensive potential.

Connections is the latest puzzle game from the New York Times. The game tasks you with categorizing a pool of 16 words into four secret (for now) groups by figuring out how the words relate to ...