1.

A train travelling at constant speed crosses two persons walking in the same direction in 8 seconds and 8.4 seconds 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?_x005F_x000D_

A. 42
B. 40
C. 32
D. 36
Answer» E.


Discussion

No Comment Found