So if you are study or preparing for SBI PO exam, prepare precisely for the exam, don't study everything as in many books of quantative consists so many material because these books covers so many exams.
here we are suggesting all chapters which are very important for SBI PO or IBPS PO exam.
2. H.C.F. & L.C.M.
5. Problem on age
7. Profit & Loss
8. Ration & Proportion
10.Time & Work
11.Pipes & cisterns
12.Time & Distance
13.Problems on Trains
14.Boats & streams
15.Simple Interest & Compound Interest
17.Permutation & Combinations
If you covers all above said chapters properly, that's enough for you to get good score in SBI PO or IBPS PO exams quantative sections.
Remember guys in bank PO exam, the chalange is not to solve the question but the challange is to solve the question in given.
So don't waste your time to study lot of thing at once, just study relevant thing which is necessary for PO exam.