You can't get 90% in a test with 32 questions.
However, if calculated the answer would be 3.2.
i.e., you would miss 3.2 questions to get 90%.
This can happen when the examiner gives you marks even for a partially correct answer.
Eight of them.
40
25 questions missed
No more than 15.But why miss any ?
-- Since she answered 86 percent of the questions correctly, she answered the remaining 14 percent of them incorrectly. -- 14% of 100 questions is 14 questions.
You can miss 10% of questions, or 12 questions
1400.
Eight of them.
20
22 questions
35
24 of them.
6 of them.
40
25 questions missed
No more than 15.But why miss any ?
.8 x 30 = 24 so you can miss 6 questions