A new mathematical brainteaser is leaving internet users stumped... with a range of answers offered in solution. The baffling equation was uploaded to X, formerly Twitter, by user Emmy, from the US, ...

A seemingly simple math problem has gone viral this week, leaving people totally stumped on social media. The equation in questions is: 15 - 15 × 4 ÷ 2 = ? At first glance, it looks like a basic grade ...