To get a 50% on the test, you need at least (50/100) * 35 = 17.5 questions correct. If half credit is not possible, you need to get at least 18 questions correct to get a score of at least 50%. A score of 17 will be just shy of 50%.
40
No more than 15.But why miss any ?
25 questions missed
Not more than 11.
75% of 42 = .75 x 42 = 32 questions right; you can miss 42-32 = 10 questions to get a 75
You can miss 10% of questions, or 12 questions
.8 x 30 = 24 so you can miss 6 questions
22 questions
35
40
24 of them.
6 of them.
Providing that all the other questions are correct then it is 9 questions
No more than 15.But why miss any ?
25 questions missed
22
No more than 19. You can do it!