Question

The ratio of speeds of a motorboat to that of the current of water is 5 : 1. The motorboat goes along with the current in 6 hours. The time required to come back of motorboat is equal to

Answer 1

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✨Let speed of the motor boat is 36 and speed of current is 5. Speed of boat along with current = 36 + 5 = 41. Distance covered by boat with speed 41 in 5 hrs and 10 min ( 5 + 10/60 = 31/6 h) = (41 * 31)/6 = 211.83 km. Time taken to covered = 211.83/31 = 6.83 hrs.✨

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