Some subjects can be difficult to deal with as compared to other. Some of the tips that can help : focus on topics you find difficult Remember aim is to pass so do strategies your studies important topics even if you attempt 80% of paper but do it well you will surely clear Do not let set back of last time shake your confidence. Day before exam take good sleep and do not try to read every thing. If you still feel anxious do some deep breathing exercises. All the very Best to you