In 27 seconds and 17 seconds, two trains going in different directions cross a man standing on the platform, and they cross each other in 23 seconds. The following is the ratio of their speeds:
A. 1 : 3
B. 3 : 2
C. 3 : 4
D. None of these
Answer:B
In 27 seconds and 17 seconds, two trains going in different directions cross a man standing on the platform, and they cross each other in 23 seconds. The following is the ratio of their speeds:
A. 1 : 3 B. 3 : 2 C. 3 : 4 D. None of these
Explanation: Show Explanation