Data Interpretation (DI) forms a very important part in the IBPS and Bank PO exams. there are good numbers of Data Interpretation questions in IBPS and Bank PO exams. Especially it occupies a huge chunk of questions in the Data Interpretation & Analysis. There are around 35 questions out of the 50 in this section. On the other hand there are around 10-15 questions in the IBPS PO exam Quantitative Aptitude section. Thus Data Interpretation for IBPS and SBI bank PO exams constitutes around 17 % & 5-7% respectively.
The various questions asked are Bar graph, pie chart, line graph, data table, caselets and a combination of one or more of these techniques. Disha Publication, here, presents the complete preparatory material for the Data Interpretation section for IBPS and SBI Bank PO exams.