A photo uploaded on imgur has gone viral:
The question above reads "Reasonableness: Marty ate 4/6 of his pizza and Luis ate 5/6 of his pizza. Marty ate more pizza than Luis. How is that possible?"
|Above copied from|
Chen, Mu-Hong et al.,Influence of Relative Age on Diagnosis and Treatment of Attention-Deficit Hyperactivity Disorder in Taiwanese Children, The Journal of Pediatrics, article in press, http://dx.doi.org/10.1016/j.jpeds.2016.02.012