The table shows the revenue (in lakh rupees) earned by a publishing house from the sale of journals, magazines and books during 2020 to 2023.
| Year | Journals | Magazines | Books |
|---|---|---|---|
| 2020 | 45 | 35 | 70 |
| 2021 | 47 | 40 | 80 |
| 2022 | 40 | 42 | 87 |
| 2023 | 40 | 54 | 79 |
Which of the following years shows the highest change in revenue from the sale of journals as compared to the previous year?
A2020
B2021
C2022 ✓ Correct
D2023
Correct answer: (C) 2022
Explanation
The year 2022 shows the highest change in journal revenue, so that is the answer.
Journal revenue was 45 in 2020, 47 in 2021, 40 in 2022 and 40 in 2023.
From 2020 to 2021 it rose by 2.
From 2021 to 2022 it fell by 7, the largest single change.
From 2022 to 2023 it did not change.
So the highest change is in 2022.
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