General Aptitude · Data Interpretation
Data Interpretation
Exam-focused revision notes on Data Interpretation for CSIR-NET Chemical Sciences, GATE Chemistry and IIT-JAM — the core concepts, the formulas worth memorising, the traps that cost marks, and a quick-recall table.
Read the question before the chart
DI sets give far more data than any one question needs. Read what is asked first, then take only the numbers that answer it. Candidates lose this section by computing the whole table.
What this note covers
- 1Read the question before the chart
- 2Totals and averages
- 3Percentage change
- 4Percentage vs percentage point
- 5Range and spread
- 6Ratios and shares
- 7The usual chart types
- 8Common traps students miss
- 930-second recall table
Read the full note
The remaining 8 sections — including the worked examples, the common-traps list and the quick-recall table — are part of ChemVidya Full Access, along with 6,000+ practice questions.
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