Information and IdeasVery hardDistinguishing a share from a total
Information and Ideas practice question
Electric cars' share of new car sales, and total new car sales, in a country:
2020: 5%, 900 thousand cars sold
2022: 12%, 750 thousand cars sold
2024: 20%, 800 thousand cars sold
Which statement is best supported by the data?
- A. The electric share rose sharply across the period, though total sales in 2024 were still below their 2020 level.Correct
- B. Total new car sales rose in every year shown.
- C. The number of electric cars sold fell between 2022 and 2024.
- D. The electric share fell between 2020 and 2022.
Answer: A. The electric share rose sharply across the period, though total sales in 2024 were still below their 2020 level.
5% → 12% → 20% is a sharp rise; totals went 900 → 750 → 800, so 2024 is still below 2020.
Why the other answers are wrong
- B. Total new car sales rose in every year shown.
- Total sales fell from 900 to 750 thousand in 2022.
- C. The number of electric cars sold fell between 2022 and 2024.
- 12% of 750 thousand is 90 thousand; 20% of 800 thousand is 160 thousand — a rise.
- D. The electric share fell between 2020 and 2022.
- 5% to 12% is a rise.
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