THE COMPETITION MASTER provides you with solved papers (Reasoning, Objective English, Quantitative Aptitude and General Awareness) of various exams, including Bank exams that you will find very useful for practice while preparing for the SBI and other Bank exams. Going through current affairs and current GK sections of CM, of minimum last six months, is highly recommended for scoring well in the General Awareness section of the exam.
Reasoning and Quantitative Aptitude questions are best mastered by practice. In different exams only the level of difficulty varies; the type questions asked remains similar. So, go through all solved papers published in CM in last 12 issues (except for papers of Management entrance and NDA/CDS) and practice solving them as part of your preparations for the SBI or other Bank Clerk Grade or PO exams.
Reading a GK book is also recommended.