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Question -

A man travels 600 km partly by train and partly by car. If the covers 400 km by train and the rest by car, it takes him 6 hours and 30 minutes. But, if he travels 200 km by train and the rest by car, he takes half an hour longer. Find the speed of the train and that of the car. (C.B.S.E. 2001)



Answer -

Total journey = 600 km
Let the speed of train. = x km/hr
and speed of car = y km/hr
In first case,
Journey by train = 400 km
Journey by car = 600 – 400 = 200 km

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