Question 9
MediumOriginal questionThe table shows the number of books a shop sold in three months.
| Month | Textbooks | Novels |
|---|---|---|
| April | 320 | 180 |
| May | 280 | 220 |
| June | 400 | 150 |
By what percentage did textbook sales fall from April to May?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
The fall is books.
A percentage change is taken against the starting figure, which is April's 320.
, which is 12.5%.
Worth noting
Dividing by May's 280 gives about 14.3%. The 40% is the raw fall of 40 books read as a percentage.
- Concept
- Percentage change between two rows of a table
- Typical timeTypical
- 65 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Data Interpretation, at your own pace.