75% of 42 = .75 x 42 = 32 questions right; you can miss 42-32 = 10 questions to get a 75
40
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 ?
25 questions missed
Not more than 11.
.8 x 30 = 24 so you can miss 6 questions
35
24 of them.
6 of them.
40
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