Some people are just natural 'super-taskers' I've come to realise. Back when I was taking exams for my pilot's licence, there was a test on radiotelephony that was deemed impossible to fail. There was almost an unspoken challenge to see who could finish the exam (26 multiple choice questions) the fastest. Some people took their time regardless... I (as well as many others) finished in around 5 minutes... But there was this one guy who got up from his desk after about 40 SECONDS. There was an audible gasp (and stifled laughter) from the hall, including the invigilator. I'd added the dude on FB and it turned out he'd achieved over 90% on it too and told me he'd always been a very fast reader