There are certain advantages that one can use to score higher and exact lesser effort, one of which is utilizing the methods of very experienced tutors. Tutors can show what the areas of focus are for subjects and once students are able to identify these areas of focus, they require less effort to study them. Moreover , knowledge can come in many forms and each of the forms require different approaches to studying them. Furthermore, the speed at which one learns knowledge differs between subject to subject with certain subjects such as history requiring more time to master as compared to maths. An experienced tutor will be able to lead students in the right direction and reduce the time and effort needed to study those subjects.