Comprehension Passage
Directions: The following table shows the information regarding the number of trees planted by three different NGOS - X, Y , and Z in six different cities.
What are the ratio between the total number of trees planted by X in cities A and D, the total number of trees planted by Y in cities A and F, and the total number of trees planted by Z in cities B and D?
1
2 ∶ 3 ∶ 7
2
3 ∶ 6 ∶ 7
3
5 ∶ 6 ∶ 7
4
4 ∶ 6 ∶ 9