7/10 on Zomato is pretty good though, whereas a 3.5/5 Google review suggests "stay away unless desperate". But I agree there's no system where 5/10 means "avera

7/10 on Zomato is pretty good though, whereas a 3.5/5 Google review suggests "stay away unless desperate". But I agree there's no system where 5/10 means "average". I suspect it does relate to our time in educational institutions where a 50% mark is really the worst possible score you ever want to consider.