1.

A train passes two persons walking in the same direction in which the train is going. These persons are walking at the rate of 2 km/hr and 4 km/hr respectively and the train passes them completely in 10 seconds and 12 seconds respectively. The speed of the train is

A. 14 km/hr
B. 19 km/hr
C. 23 km/hr
D. 27 km/hr
Answer» B. 19 km/hr


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