Comprehension Passage
Directions: Study the graph carefully to answer the following question.
The following line graph shows the number of students (boys and girls) in five departments of university and we have to distribute a certain number of books among them.
Note: In each department, each boy receives three books, and each girl receives two books. Every student receives books.
If the number of girls in Department Q is interchanged with the number of boys in Department S, then the change in the number of books required in Department Q is what percent of the change in the number of books required in Department S?
1
45.45%
2
50%
3
83.11%
4
27.35%
5
66.67%