How can I study quickly?

You should sleep well and eat healthy food i.e, fruits, vegetables, and juices. You should do physical exercise and meditation, it helps you to improve your mental fitness. And please avoid junk food it makes your body more tired and you cannot focus while studying. Take a short break during the study. Analyse the previous five years past papers it takes less time to study. You should visit the tutoria.pk. It is an online website and it provides five years solved past papers and book notes. Hope it will be helpful for you. Good Luck!