journey of 192 km between two cities takes two hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/h less than that of the fast train, find the average speed of each train.
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time taken taken by slow train to cover the distance of 192 km at 16 km/h = 192/16 =12 hours
then,fast train takes two hours less than slow train
so,it will take 10 hours to complete the distance of 192 km.so, its average speed =192km/10 hours= 19.2 km/h.
then,fast train takes two hours less than slow train
so,it will take 10 hours to complete the distance of 192 km.so, its average speed =192km/10 hours= 19.2 km/h.
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