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A line graph shows production (in thousand units) of two companies X and Y over five years — 2018: X = 40, Y = 30; 2019: X = 50, Y = 45; 2020: X = 60, Y = 50; 2021: X = 55, Y = 40; 2022: X = 70, Y = 60. In which year is the difference between the productions of X and Y the greatest?

Competition practiceData Interpretation
  • A2018
  • B2019
  • C2020
  • D2021

Step-by-Step Solution

Differences: 2018 = 10, 2019 = 5, 2020 = 10, 2021 = 15, 2022 = 10. Maximum is 15 in 2021.
Answer: D) 2021

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