There are 12 stations - D to 0 in that order - on the route of a local train. A train starts from D for 0. It takes 8 minutes for the train to travel between any two stations and it stops for 1 minute at each station. If the train reaches L at 4:18 p.m., when does it depart from F?
3:28 p.m.
3:25 p.m.
3:20 p.m.
3:11 p.m.
The train stops for 1 minute at each station and takes 8 minutes to travel between any two stations. Hence, there is a 9 minute gap between the times that the train takes to start from two consecutive stations.
Hence, gap between start of train from F and K (last station before L) = 5 x 9 = 45 minutes
It takes 8 more minutes to reach L.
Hence, total time gap between start from F and reach L = 45 + 8 = 53 minutes.
Hence, the train starts 53 minutes before 4:18 p.m. i.e. at 3:25 p.m.
Hence, option b.
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