93%
88%
two third
80%
If you score 1 per question, then you can miss out -40. If you score 10 per question, then you can miss out 104. If you score 100 per question, then you can miss out 118.
4 out of 5 or 80%
If they all count the same, that's 67% right.
92%
two third
If you score 7 out of 8 you have a percentage score of 87.5%.
The answer to how many questions you can miss (assuming each question is worth 1 mark) is given below: ((100-90)/100) * 125 = 12.5 questions. You must round this down unless you can be awarded half marks. Assuming no half marks are awarded you can miss up to 12 questions on a 125 question test and score 90% or more.
If you're awarded 1 mark per question, and you got 77%, you missed roughly 25% of the questions, which is 15
As a percentage it is 80%