See if you can figure out Cheryl’s birthday, the Singapore logic problem that’s got the Internet twisted into knots. Some are even saying it’s the math equivalent of the “What color is the dress” ...

Never mind the color of that dress: When is Cheryl's birthday? The latest viral puzzler to stump the Internet started out as a question for students in Singapore and spread around the world after it ...

Just when you thought you've seen it all, a math problem goes viral. A math problem. This word problem from a Singapore high school has puzzled internet users for the past few days. A hypothetical ...