sir my problem is that that i have not score more than 35%. i solve question from books and also do sheets sinciorly. but i have not score as expected

I guess u r not clear with basic concepts of each chapter . I suggest you to start from Basics of every chapter and then forst understand the concept by following a gud text book / enrolling in a gud coaching center .

once u r clear in concepts, then start solving problems. before that see the solved examples and learn frm thr, how they r approaching the solution of each problem.

hope it works for u

all the best

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regards

ramesh