Two trains are running in same direction on parallel tracks at 25 mph – McqOptions

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1.	Two trains are running in same direction on parallel tracks at 25 mph and 30 mph respectively. If the first train leaves an hour earlier than the second, how long will it take for the faster train to catch up with the slower train?
A.	5 hrs
B.	6 hrs
C.	11 hrs
D.	3 hrs
Answer» B. 6 hrs

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