How shall I study maths to get 100 marks? How many times should I revise my book? I am currently in 12th with PCM.

Hi Veronica, Your approach towards your target is appreciable, however, you also have to work hard for achieving it. For this you need to practice maths on daily basis for at least 2 hours, but the quantity of studies doesn't matters but what matters is how much you understood the concept. Suppose

Try to practice as much as you can. Answer as many questions as possible. Don't just rely on one book, solve all questions in your NCERT maths textbook and also get help from other popular textbooks as well. Also, attempt mock tests and previous year question papers. Time yourself and see if you can