It is possible that your exam performance may not reflect your hard work studying for hours on end.
Some tips to improve performance:-
1. Wake up early so that you do not need to rush through having breakfast and getting ready.
2. Don't get confused with the day/time and venue of the exam,just check all the 3 to be confirm.
3. Before leaving home, check that you have everything that you will need – ID, stationery, map to the exam venue, etc.
4. If there are people around who are panicking, avoid them. They are not doing you any favour!
5.Read all the questions carefully before starting and quickly plan how much time to allocate to each.
6.Use every minute of the exam and if you have time left, review your answers before handing back the paper.