Maths is one of those subjects at school that virtually no one likes, and questions like this are exactly why.
It may look simple, but this maths problem designed for primary school-aged kids is stumping the internet.
Most adults can’t seem to get this sum right on the first try, but to pass all you really have to do is remember your days spent in the classroom.
We mean the times you actually listened, not the ones you spent wishing you were absolutely anywhere else but in maths class.
So, are you smarter than a 10-year-old?
Don’t forget to tell us your results in the comments!