20
25
You can miss 10% of questions, or 12 questions
To get exactly 90% you need to miss 5.6 questions.
22 questions
35
6 of them.
You can miss 10% of questions, or 12 questions
1400.
Eight of them.
To get exactly 90% you need to miss 5.6 questions.
22 questions
35
24 of them.
6 of them.
40
25 questions missed
No more than 15.But why miss any ?
0.70 x 125 = 88 questions right You can miss 125-88 = 37 questions to get 70 percent But you got to get all the rest correct!