which chapters from which subjects will be given in exams and send us some pdf's so that we can read and get prepared well.
You haven't mentioned any of the details of on the question you asked. Kindly provide information about the name of the entrance exam or any exm you are talking about, name of the College/ school it is related to and the class you are in. This helps us provide you with the correct information. Kindly reframe the question and ask agin including the necessary details.
Hope you understand.
Good luck!