Providing that all the other questions are correct then it is 9 questions
6 of them.
35
You can miss 10% of questions, or 12 questions
18
22
.8 x 30 = 24 so you can miss 6 questions
24 of them.
6 of them.
40
35
The answer will depend on how many of the ones you do manage to answer are correct!
No more than 15.But why miss any ?
You can miss 10% of questions, or 12 questions
25 questions missed
18
22
22 questions