It’s not often that 5-year-olds can grasp questions at the frontiers of computer science, but it can happen. Suppose, for instance, that a kindergartner named Alice has two apples, but she prefers ...

A math problem going viral on TikTok right now seems easy to figure out, but it has even the smartest users stumped. Here’s how it goes:. Start with 1,000. Add 40 to it. Add another 1,000. Add another ...

Basic addition is pretty easy, right? Wrong. A math problem going viral on TikTok right now seems easy to figure out, but it has even the smartest users stumped. Here’s how it goes: Start with 1,000.

An apparently easy-looking math problem has left internet users scratching their heads. The elementary-grade problem looks simple enough to solve in seconds, but has tripped up the masses. The basic ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost? Most people say that the ball costs 10 cents. In fact, that was my answer when I read the ...