Comprehension Passage
The following table shows the percentage (%) distribution of number of students qualifying an Entrance Exam from seven schools A-G in the years 2020 and 2021. The number of students qualifying from School G in 2020 and 2021 are 90 and 135, respectively. Based on the data in the table, answer the questions:
School-wise Distribution of Qualified Students
| School | Distribution (%) of Qualified students | |
| 2020 | 2021 | |
| A | 21% | 23% |
| B | 14% | 8% |
| C | 16% | 11% |
| D | 10% | 14% |
| E | 18% | 16% |
| F | 9% | 13% |
| G | 12% | 15% |
The ratio of the number of students qualifying from Schools B, C and D in 2020 to that of Schools E, F and G in 2021 is
1
2 ∶ 3
2
51 ∶ 75
3
3 ∶ 2
4
25 ∶ 33