A tricky math question on a second grader's assignment left one mother puzzled. In fact, she was so stumped by the word problem that she turned to the internet for help. Angie Werner called on fellow ...

The Riemann Hypothesis is one of the most famous problems in that set. It’s about prime numbers. That’s any whole number that can only be divided by 1 and itself – like 2, 3, 5, 7 and 11.

Novelist Celeste Ng has shared a head-scratching system of equations that her 9-year-old son apparently made up over dinner: At dinner, 9yo made up a math problem and made his father and me solve it.

A tricky math problem on a standardized test in Britain has gone viral after stumped test takers took to social media to express their outrage. The probability equation involving orange candies was ...

Can you figure out when Cheryl’s birthday is? A puzzling logic problem for middle school “mathletes” in Singapore has gone viral online. After a television host in Singapore posted the question to his ...