See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A seemingly simple math problem that produced markedly different ...

Every few months, the Internet eats itself over some kind of viral riddle or illusion, each more infuriating than the last. And so, like clockwork, this maddening math problem has gone viral, ...

The bat-and-ball problem is a famous math puzzle that more than half of people—even Harvard graduates—get wrong. It's ...

Get your timer out and see whether you can remember the golden rule from grade school math class.

The question goes: "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?" Is your knee-jerk response that the ball costs ten cents? That is a ...

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 ...

Here are 10 math problems that confused people across the internet. Can you solve them?