A children's maths question has left thousands of adults scratching their heads after going viral online.
For many, maths class is a distant memory, with some grown-ups still having nightmares about the complicated questions they've faced in exams gone by. However, the latest one people are struggling to answer is actually aimed at kids, so it should be simple enough.
Racking up 1.4 million Twitter views and thousands of confused comments, the question was posted by a man from Jamacia who said it left him with a headache. The tweet has also garnered thousands of comments, with so many guessing conflicting answers.
