Question:
Without stoppage, the speed of a train is 54 km/hr and with stoppage, e, it is 45 km/h. For how many minutes, does the train stop per hour?
A20 min
B15 min
C10 min
D25 min
Answer:
C. 10 min
Explanation:
Time= (S1 - S2) / S1 = (54-45) / 54 = 1/6h = 1/6 x 60 = 10 min