Data interpretation¶
Banking, management-entrance and teaching-aptitude exams all test it: prepare it once. The overlap map has the full list.
What it covers¶
- Tables and bar, line and pie charts; caselets (short passages with data)
- Percentages, ratios and averages applied to data sets
- Data sufficiency (deciding whether the given data answers the question)
- Set-based and missing-data puzzles (banking mains, CAT DILR)
Depth by exam family¶
| Family | What the exam rewards |
|---|---|
| Banking (IBPS PO, SBI PO mains) | Fast, accurate computation on tables, charts and caselets; mains gives DI its own section |
| CAT, XAT, SNAP, MAT | Multi-step reasoning on tricky sets; XAT pairs DI with quant, SNAP with data sufficiency |
| UGC NET Paper 1, CSIR NET Part A | School-level interpretation; a small, scoring unit, not deep puzzles |
Official syllabus sources¶
- XAT official website, exam-pattern section (Quantitative Aptitude and Data Interpretation): https://xatonline.in
- SNAP 2026 test structure (Quantitative, Data Interpretation and Data Sufficiency): https://www.snaptest.org/snap-exam-syllabus
- CAT official website (data interpretation with logical reasoning; the bulletin names no topic-wise syllabus, so calibrate depth with the official mock): https://iimcat.ac.in
Where it counts¶
| Family | Exams |
|---|---|
| Banking, insurance and regulators | IBPS PO, SBI PO |
| Teaching and research: TET, NET, KVS | CSIR NET (JRF / Assistant Professor), UGC NET |
| Management entrance: CAT, XAT and others | CAT, MAT, SNAP, XAT |
Free resources¶
- NCERT mathematics textbooks, Class 6–10 (percentages, averages, statistics chapters): https://ncert.nic.in
- CAT official website with the official mock test (free DILR practice at exam depth): https://iimcat.ac.in
- SNAP test-structure page showing how DI is grouped with data sufficiency: https://www.snaptest.org/snap-exam-syllabus
How to practise¶
Learn each chart type from NCERT statistics, then do one full DI set daily under a timer; convert fractions and percentages mentally. Finish with official previous papers and mocks of your target exam, tracking accuracy and seconds per set.