- 07/06/2019 at 11:28 am #1369174EduGorillaKeymasterSelect Question Language :
Direction: Study the following information carefully and answer the question
Quantity I: The ratio of speed of stream and speed of a boat is 1: 3 respectively. If the boat can cover 420 km while travelling downstream in 7 hours, then how long would it take to cover 270 km while travelling upstream?
Quantity II: Boat M can travel 400 km upstream and then 400 km downstream in total time of 18 hours. If the speed of the boat is 45 km/hr, then how long would it take boat M to only travel downstream 400 km?
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