If sum of upstream and downstream speed of boat is 72km/h and if the boat travels 105km upstream in 3 hours 30 min,then find the time taken to travel 126 km downstream.
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If sum of upstream and downstream speed of a boat is 82 km ph, and the boat travels 105 km. upstream in 3 hr, Find the time taken by boat to cover 126 km downstream. => t = 126/47 = 2.68 hrs
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