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There is only one rail track between stations A and B on a railway line. One hour after the northbound superfast train N leaves station A for station B, the southbound passenger train S reaches station A from station B. The speed of superfast train is twice that of express train E, while the speed of passenger train S is half of that of train E. On some one day train N leaves from station A to station B 20 minutes late than its usual schedule. Both Train N and Train S have increased their speed to maintain the schedule as per the table. If the superfast train doubles its speed, then what should be the ratio (approximately) of the speed of the passenger train to the speed of the superfast train so that the passenger train reaches the station on that day at the exact scheduled time.
Station 1, Station, 2 and station 3 are three towns on a river which flows uniformly. Station 2 is equidistant from station 1 and station 3. A man rows a boat from station 1 to station 2 and back in 17 hours. He can row from station 1 to station 3 in 7 hours. Find the ratio between the speed of boat in still water to the speed of flow of water?
While clearing the load with an invalid brake power certificate, if train examiner is not available, Loco Pilot and Guard shall ensure safety of the train and take the train upto ________.
A train starts running at a uniform speed of 60 km/h from station P towards station Q. At the same time another train starts running from station Q towards station P. If the distance between the stations P and Q is 275 km and the trains meet in two and a half hours, then what is the speed of the train running towards station P in km/h?
9 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 3 hours. What is the speed of the goods train?
7 hrs after a goods train passed a station, another train travelling at a speed of 54 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 11 hours. What is the speed of the goods train?
4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?
5 hrs after a goods train passed a station, another train travelling at a speed of 70 km/hr following that goods train passed through that station. If afterpassing the station the train overtakes the goods train in 9 hours. What is the speed of the goods train?
3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If afterpassing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?
4 hrs after a goods train passed a station, another train travelling at a speed of 60 km/hr following that goods train passed through that station. If afterpassing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?