Prelims exam for RBI grade b officers are as like other PO exams of different banks. There is somethings which candidate needs to keep in mind while prepare for this exam :
1. Sectional cut-off are there for prelims, so that one has to clear all the section of each stage of the exam i.e. Quantitativeness, reasoning, eng and GS.
2. All the section are of moderately average nature except for GS.For GS one need to go for Economical issues and Financial term used in banking according to the present system.
3. For Maths books of M. Tyra or R S Aggarwal is sufficient. Even in reasoning also nothing to worry about.but keep sectional cut-off in mind.
4. You need not show your talent in exam because no one count the name of topper of this prelims. Ultimate goal is to crack the exam and get the Job. So don't waste much of the time on each section. Try to make any section that are more suitable or stronger and make just passmark in other section will make your work easy to pass out.