WHICH BOOKS SHOULD I DO FIRST FOR BASICS AND THEN FOR COMPLEX!
I HAVE RD SHARMA! AND FROM WHICH TOPIC MOST QUESTIONS ARE FROM?

Hi Amin,

RD Sharma is a good basic book.

For Problems of a more tougher standard you can use Tata McGraw Hill or ML Khanna.

Best Regards,

Ashwin (IIT Madras).