AFCAT Data Interpretation 4 — Questions and Answers
Question 1: A table shows airport passengers (thousands): Jan=80, Feb=75, Mar=90, Apr=95, May=85. What is the range of the data?
- 20 (Correct answer)
- 15
- 25
- 10
Correct answer: 20
Range = Maximum − Minimum = 95 − 75 = 20 thousand.
Question 2: A double bar chart shows college enrollment — Science: M=300, F=200; Commerce: M=250, F=350; Arts: M=150, F=300. In which stream do females outnumber males by the greatest margin?
- Arts (Correct answer)
- Commerce
- Science
- Equal in all
Correct answer: Arts
Arts margin = 300−150 = 150; Commerce margin = 350−250 = 100; Arts has the greatest female lead.
Question 3: A line graph shows wheat production (million tonnes): 2018=95, 2019=100, 2020=107, 2021=109, 2022=103. Between which two consecutive years was the growth rate the highest?
- 2019–2020 (Correct answer)
- 2018–2019
- 2020–2021
- 2021–2022
Correct answer: 2019–2020
2019–2020 growth = (107−100)/100 × 100 = 7%, the highest among all consecutive pairs.
Question 4: A bar chart shows electricity consumption (kWh): A=320, B=450, C=280, D=500, E=350. What is the mean consumption?
- 380 (Correct answer)
- 360
- 400
- 350
Correct answer: 380
Mean = (320+450+280+500+350)/5 = 1900/5 = 380 kWh.
Question 5: A table shows profit margins: Product A=18%, B=22%, C=15%, D=25%. Revenue of ₹8 crore is split equally among four products. Which product generates the highest profit?
- Product D (Correct answer)
- Product B
- Product A
- Product C
Correct answer: Product D
Equal revenue = ₹2 crore each; D profit = 25% of 2 = ₹0.50 crore, the highest.
Question 6: A histogram shows age of 100 employees: 20–30: 25, 30–40: 35, 40–50: 28, 50–60: 12. What percentage of employees are below 40 years of age?
- 60% (Correct answer)
- 65%
- 55%
- 70%
Correct answer: 60%
Below 40 = 25 + 35 = 60 employees out of 100 = 60%.
Question 7: Two investment plans on ₹1,00,000 over 3 years: Plan X yields ₹15,000 profit, Plan Y yields ₹12,000 profit. What is the difference in their return rates?
- 3% (Correct answer)
- 5%
- 2%
- 4%
Correct answer: 3%
Plan X ROI = 15%, Plan Y ROI = 12%; difference = 15% − 12% = 3%.
A table shows airport passengers (thousands): Jan=80, Feb=75, Mar=90, Apr=95, May=85.
What is the range of the data?