Comprehension Passage
The following table shows the percentage (%) distribution of students studying in six classes A-F of a school and shows the ratio of boys to girls among them. Number of students studying in all six classes together is 600.
Class-wise distribution of students
| Class | % Students |
Ratio Boys ∶ Girls |
| A | 20% | 3 ∶ 2 |
| B | 12% | 3 ∶ 1 |
| C | 16% | 5 ∶ 3 |
| D | 15% | 8 ∶ 7 |
| E | 21% | 4 ∶ 3 |
| F | 16% | 1 ∶ 1 |
The difference between the number of boys and the number of girls in all the six classes A-F together, is
1
102
2
114
3
106
4
108