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UGC NET Paper 1 Data Interpretation Questions
Practise data interpretation (data interpretation) for the UGC National Eligibility Test (Paper 1): 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.The average of 9 numbers is 40. If 46 is added, what is the new average?
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Answer: B — 40.6
Old total = 9 × 40 = 360. New total = 360 + 46 = 406; new average = 406/10 = 40.6.
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Q2.Sales (units): 2021: 290 · 2022: 650 · 2023: 890 · 2024: 480 · 2025: 730. What was the percentage change in 2025 over 2024?
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Answer: B — 52.08%
Change = 730 − 480 = 250; ÷ 480 × 100 = 52.08%.
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Q3.Sales (units): 2021: 900 · 2022: 370 · 2023: 590 · 2024: 560 · 2025: 690. What was the percentage change in 2025 over 2024?
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Answer: B — 23.21%
Change = 690 − 560 = 130; ÷ 560 × 100 = 23.21%.
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Q4.Sales (units): 2021: 580 · 2022: 820 · 2023: 850 · 2024: 310 · 2025: 210. What was the percentage change in 2023 over 2022?
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Answer: D — 3.66%
Change = 850 − 820 = 30; ÷ 820 × 100 = 3.66%.
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Q5.The average of 11 numbers is 41. If 69 is added, what is the new average?
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Answer: D — 43.33
Old total = 11 × 41 = 451. New total = 451 + 69 = 520; new average = 520/12 = 43.33.
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Q6.The average of 8 numbers is 45. If 61 is added, what is the new average?
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Answer: D — 46.78
Old total = 8 × 45 = 360. New total = 360 + 61 = 421; new average = 421/9 = 46.78.
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Q7.The average of 5 numbers is 39. If 65 is added, what is the new average?
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Answer: C — 43.33
Old total = 5 × 39 = 195. New total = 195 + 65 = 260; new average = 260/6 = 43.33.
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Q8.Sales (units): 2021: 360 · 2022: 340 · 2023: 440 · 2024: 210 · 2025: 600. What was the percentage change in 2024 over 2023?
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Answer: C — -52.27%
Change = 210 − 440 = -230; ÷ 440 × 100 = -52.27%.
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Q9.The average of 12 numbers is 77. If 85 is added, what is the new average?
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Answer: C — 77.62
Old total = 12 × 77 = 924. New total = 924 + 85 = 1009; new average = 1009/13 = 77.62.
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Q10.The average of 11 numbers is 30. If 43 is added, what is the new average?
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Answer: D — 31.08
Old total = 11 × 30 = 330. New total = 330 + 43 = 373; new average = 373/12 = 31.08.
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 UGC NET Paper 1
UGC National Eligibility Test (Paper 1) — conducted by National Testing Agency (NTA). Qualifies candidates for Assistant Professor and JRF; Paper 1 tests teaching and research aptitude.
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.
UGC NET Paper 1 practice topics
| Topic | Section | Question source |
|---|---|---|
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Data Interpretation | Data interpretation | Calculated (new numbers every set) |
| Computer Awareness | Computer knowledge | Question bank |
| Averages & Statistics | Quantitative aptitude | Calculated (new numbers every set) |