what books can i refer?? plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz send the name of the book

the book is depend on your requirment if in science if you want to clear your concept you should try lakhmir singh and manjeet kaur and if you want high level question you should try NCERT exampler problems you can get this book for free from any website in PDF and for maths if ur maths is upto mark you should try RD SHARMA and if you are weak in maths then you should try RS AGGRAWAAL book.