Percentage distribution of students qualifying an entrance exam from seven schools A–G, 2020 and 2021. School G: 90 (2020), 135 (2021).
| School | 2020 (%) | 2021 (%) |
|---|---|---|
| A | 21 | 23 |
| B | 14 | 8 |
| C | 16 | 11 |
| D | 10 | 14 |
| E | 18 | 16 |
| F | 9 | 13 |
| G | 12 | 15 |
The percent rise in the number of students qualifying from School D from 2020 to 2021 is
A60%
B63%
C68% ✓ Correct
D72%
Correct answer: (C) 68%
Explanation
The answer is 68 percent.
School D in 2020 is 10 percent of 750, which is 75.
School D in 2021 is 14 percent of 900, which is 126.
The rise is 126 minus 75, which is 51.
As a percent of 75, this is 51 divided by 75, times 100, which is 68 percent.
So the percent rise is 68 percent.
So the answer is 68 percent.
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