20
You could fail seven questions, and still meet the minimum mark required.
5
5
14 of them.
30
As 11.2 is 80% of 14, you would have to get at least 12 questions right to be above 80%, so you could only get 2 questions wrong.
You can get 20 questions wrong.
You could fail seven questions, and still meet the minimum mark required.
5
It depends on how many questions there are.
14 of them.
30
5
no more than 7
37 questions wrong gives you a 70.2% correct.
70% of 25 is 17.5. That is you will pass with 7 (7.5) questions wrong.
you can get 6 wrong. and you will have a 91% if u get more than that then u will be at an 89% (if the ?'s are not all worth the same amount u can get up to 6.5 wrong)