WHAT DO YOU DO?

Have you ever been into the exam hall and found the question very hard? What sinuous do? Do you try to ask from a classmate, a friend or seek help from anybody that sit very close to you? Some lecturers could be so wicked to the extent of setting questions that is never in the syllabus , all they want is making the Exams hard for the students. They set questions out of concept.
The mist funniest part is setting related questions, what do I mean by that? Such questions are link with one another the first answer you get for the first question must be used in answering the second question.
Imagine the situation whereby the answer to the first question haven't be got, how do You proceed to the second question. Something like this could be so frustrating and provoking.
If you found yourself in this situation what do you do?