Question 1 of 50

W, x, y and Z have been marked on a piece of string as shown below. The ratio of the length of WX to the length of XY is 2:1. The ratio of the length of WY to the length YZ is 2:5.What is the ratio of the length of XY to that of YZ?

Question Image of W, x, y and Z have been marked on a piece of string as shown below. The ratio of the length of WX to the length of XY is 2:1. The ratio of the length of WY to the length YZ is 2:5.What is the ratio of the length of XY to that of YZ?.
A
1:10
B
2:15
C
3:10
D
4:15
E
None of the above