Question

Train ‘A’ travelling with a speed of 60 km/h can cross a pole in 15 seconds. If the length of train ‘B’ is 38% less than that of train ‘A’ and it can cross a pole in 10 seconds then speed (in km/h) of train ‘B’ is:

A 50.8 km/h
B 52.8 km/h
C 55.8 km/h
D 51.8 km/h
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