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NMAT Data Interpretation Questions
Practise data interpretation (data interpretation) for the NMAT by GMAC: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Data Interpretation practice
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Q1.Sales (units): 2021: 360 · 2022: 510 · 2023: 360 · 2024: 360 · 2025: 770. What was the percentage change in 2023 over 2022?
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Answer: B — -29.41%
Change = 360 − 510 = -150; ÷ 510 × 100 = -29.41%.
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Q2.Sales (units): 2021: 270 · 2022: 580 · 2023: 870 · 2024: 440 · 2025: 370. What was the percentage change in 2024 over 2023?
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Answer: A — -49.43%
Change = 440 − 870 = -430; ÷ 870 × 100 = -49.43%.
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Q3.The price of an item changes from ₹950 to ₹1,092.5. What is the percentage change?
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Answer: D — 15% increase
Change = 142.5 on a base of 950: 142.5/950 × 100 = 15% increase. Always divide by the ORIGINAL value.
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Q4.Sales (units): 2021: 210 · 2022: 320 · 2023: 650 · 2024: 540 · 2025: 520. What was the percentage change in 2022 over 2021?
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Answer: A — 52.38%
Change = 320 − 210 = 110; ÷ 210 × 100 = 52.38%.
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Q5.The price of an item changes from ₹550 to ₹605. What is the percentage change?
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Answer: A — 10% increase
Change = 55 on a base of 550: 55/550 × 100 = 10% increase. Always divide by the ORIGINAL value.
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Q6.Sales (units): 2021: 210 · 2022: 250 · 2023: 380 · 2024: 560 · 2025: 730. What was the percentage change in 2023 over 2022?
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Answer: D — 52%
Change = 380 − 250 = 130; ÷ 250 × 100 = 52%.
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Q7.The average of 11 numbers is 32. If 48 is added, what is the new average?
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Answer: D — 33.33
Old total = 11 × 32 = 352. New total = 352 + 48 = 400; new average = 400/12 = 33.33.
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Q8.The price of an item changes from ₹625 to ₹675. What is the percentage change?
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Answer: B — 8% increase
Change = 50 on a base of 625: 50/625 × 100 = 8% increase. Always divide by the ORIGINAL value.
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Q9.The average of 5 numbers is 47. If 74 is added, what is the new average?
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Answer: C — 51.5
Old total = 5 × 47 = 235. New total = 235 + 74 = 309; new average = 309/6 = 51.5.
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Q10.The average of 11 numbers is 42. If 62 is added, what is the new average?
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Answer: C — 43.67
Old total = 11 × 42 = 462. New total = 462 + 62 = 524; new average = 524/12 = 43.67.
How to approach data interpretation questions
Read the table title, units and years before calculating. Approximate first — answer options are often far enough apart that rounding to two significant figures is safe.
About NMAT
NMAT by GMAC — conducted by Graduate Management Admission Council (GMAC). MBA entrance used by NMIMS and other schools in India and abroad.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
NMAT practice topics
| Topic | Section | Question source |
|---|---|---|
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Data Interpretation | Data interpretation | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Vocabulary & Idioms | English | Question bank |