A train travelling at constant speed crosses two persons walking in the same direction in 8 seconds and 8.4 second respectively. The first person was walking at the speed of 4.5 km/hr while the second was walking at the speed of 6 km/hr. What was the speed of the train in km/hr?

A train travelling at constant speed crosses two persons walking in th

1.	A train travelling at constant speed crosses two persons walking in the same direction in 8 seconds and 8.4 second respectively. The first person was walking at the speed of 4.5 km/hr while the second was walking at the speed of 6 km/hr. What was the speed of the train in km/hr?
A.	42
B.	32
C.	36
D.	40
Answer» D. 40

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A train travelling at constant speed crosses two persons walking in the same direction in 8 seconds and 8.4 second respectively. The first person was walking at the speed of 4.5 km/hr while the second was walking at the speed of 6 km/hr. What was the speed of the train in km/hr?

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