1.

A man travels 404 kilometres in partly by rail and steamer. He spends 10 hours more time on steamer. If the speed of the steamer is 30 km/hr and the velocity of rail is 50 km/hr, how much distance does he cover by steamer?

A. 407 km
B. 509 km
C. 610 km
D. 339 km
Answer» E.


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