Quick revision: Boats & StreamsRules, shortcuts, how it is asked, worked examples and traps›
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4 Nov 2016 · shift not stated
EducationObserver forum
Q-BOAT-1Q.41
A boat takes a total time of 12 hours to travel 105 km upstream and the same distance downstream. The speed of the boat in still water is six times the speed of the current. What is the speed of the boat in still water ? (in km/h)
(1) 12
(2) 30
(3) 18
(4) 24
(5) 36
5 Nov 2016 · shift not stated
EducationObserver forum
Q-BOAT-2Q.59
A boat takes a total time of 8 hours to travel 63 km upstream and the same distance downstream. The speed of the current is 1/8th of the speed of the boat in still water. What is the speed of the boat in still water ? (in km/h)