Two missiles speed directly toward each other, one at 9,000 miles per hour and the other at 21,000 miles per hour. They start ...

Jeff Smith's Math Puzzle for February 7, 2025 - A circle is trapped under a sine wave, someone call the rescue squad. The ...

Only geniuses can solve the math puzzle brain teaser problem within 9 seconds. Are you one of them? Go ahead and test your ...

We have a picture given below, which is of a fun math puzzle. If you think you are a smart enough Mathematician- who can ...

Unlike Roman, Maya or Iñupiaq numerals, this isn’t a total reimagining of numbers. Instead, it’s an uncanny parallel universe. Any number without zeros retains its old appearance (1,776 is still 1,776 ...

What was the new weight? Show puzzle solution When the cucumbers dried out into the sun, their total mass went from 10 kilograms to just five. (It’s hard to believe, but it is possible.) ...

A thief is hiding in plain sight, and you have just 3 seconds to find them. This brain teaser is designed to wake up your ...

Researchers used questions from the NPR Sunday Puzzle challenge to build a benchmark to test AI 'reasoning' models.

It’s all about speed and accuracy when Rubik’s Cube enthusiasts gather at Sizer School this weekend for Fitchburg ...