A bus travels 180 km at a uniform speed if the speed had been 9 km/h more it would have taken one hour less for the same journey find the speed of the bus
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Answer:
A train travels at 180km/h. How long will it take to travel 700 km?
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Yes we could do the mathematics.
Go and look at the time table. This is the real world.
First the train will have to speed up out of the station, and then slow down again when it reaches the final destination. All of these things take time.
Then along the route there will be stations which the train will stop at. 700 km is a very long distance not to have any stations along it. This will add further time stopping and starting along with dwell time.
Then we must consider that there may be speed restrictions along the line, be it from maintenance, or simply dealing with curves in the track which warent slowing down. Some railways also might have the high speed train traveling along non high speed tracks which will also add to the travel time - say from the main station in the city to the high speed track.
And finally the driver might go a little slower than 180 km or a little faster than 180 km which can also have an impact on travel time. And remember there will always be a tiny amount of error on the speedo.
And finally remember tracks are for trains. If somebody is on the tracks and is killed, the delay will be hours.
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