A person covered 2/5^th part of his journey via aeroplane, 1/3^rd

A person covered 2/5^th part of his journey via aeroplane, 1/3^rd of his journey via train, 70% of the rest journey via cab and the rest which is 10 km on foot. If the speed of the train is 75 kmph, what is the time he spent in the train?

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