Not possible for many reasons, I’d say he’s between 160-180 and a hard worker
See Also
United Kingdom Grading SystemUK University Grading System ExplainedWho has the highest IQ ever recorded? Here's what we know about the world's smartest people.there are only a handful of iq test that barely go beyond 200 and they are all made by the same person
Odds of someone being born with an IQ of 400 are 1 in 5778611159520397027600
so there would not be enough human beings to have existed to even remotely guarantee this outcome
Don’t believe everything online just because it’s on Google doesn’t make it factual you’re just contributing to the fallacy
