70% of 12 is 8.4 and 12 minus 8.4 = 3.6
40
No more than 15.But why miss any ?
25 questions missed
Not more than 11.
you can miss 12 questions 30 right = 30/42 = 71%
You can miss 10% of questions, or 12 questions
.8 x 30 = 24 so you can miss 6 questions
22 questions
24 of them.
6 of them.
40
35
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 17 of them.