A tram overtakes 2 persons X and Y walking at an average speed of 3 km/hr and 4 km/hr in the same direction and completely passes them in 8 seconds and 9 seconds respectively.
What is the length of the tram ?
A
15 m
B
18 m
C
20 m
D
24 m
Correct Answer: Option C
Explanation
1. **Analyze the situation**: A tram passes two men. The distance covered i