A train travels at a constant speed and crosses two persons moving in the same direction in 10.8 seconds and 11.4 seconds respectively. The first one was running at the speed of 4.8 km/h while the second one was running at the speed of 6.6 km/h. What is the speed of the train in km/h?
- ((a))
39.6
- ((b))
40.2
- ((c))
38.4
- ((d))
39.0
Show Answer
39.6




















