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A train has a schedule speed of 36 km per hour on a level track. If the distance between the stations is 2 km and the stoppage is 30 seconds the actual time of run will be

Speed = 36 km/h = 36 × 1000 m/60 min = 600 m/min = 600/60 m/s = 10 m/s

Time taken to travel 2 km = Distance/Speed = 2000 m/10 m/s = 200 s

Actual time of run = Time taken to travel 2 km + 30 s (stoppage time) = 200 s + 30 s = 230 s