...but if you'd only got 15 wrong I'd let you fly grandma, wife & kids (
I don't have any of any of them) and think that's a pass!
The exams are a test of your overall knowledge of a particular subject but no emphasis made on areas that should be a 100% MUST KNOW.....!
Guess the theory is similar to the practical "Okay sonny, your landings and take-offs are perfect, checklists great,
recognition of an approaching stall is crap but that's only 25% of the required 100 so off you go, one circuit...!"
....should be returned to the candidate with their score clearly marked....
How else will they know what they don't know?
Or even care, without
effectively allows a peer review.