Comprehension Passage
Direction: Study the given line graph carefully and answer the given questions accordingly.
Given line graph shows the number of boys and girls in five different classes of a school.
What is the respective ratio of total number of girls from class I and class V together to the total number of boys from same classes?
1
17 ∶ 9
2
19 ∶ 10
3
19 ∶ 12
4
5 ∶ 4
5
None of these