Question : Following is the figure showing the sales of different items in a stationery shop. Which product recorded the highest percentage change from 2020 to 2021?
Option 1: Geometry
Option 2: Notebook
Option 3: Charts
Option 4: Pages
Correct Answer: Notebook
Solution :
Percentage change for geometry = $\frac{44-32}{32}\times 100$
= $\frac{12}{32}\times 100$
= 37.5%
Percentage change for notebooks = $\frac{35-25}{25}\times 100$
= $\frac{10}{25}\times 100$
= 40%
Percentage change for charts = $\frac{37-27}{27}\times 100$
= $\frac{10}{27}\times 100$
= 37.3%
Percentage change for pages = $\frac{26-20}{20}\times 100$
= $\frac{6}{20}\times 100$
= 30%
Notebooks have the maximum percentage change for the year 2020 to 2021.
Hence, the correct answer is Notebook.
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