പുഴയിൽ ഒഴുക്കിന് എതിരായി മണിക്കൂറിൽ 8 കി.മീ വേഗത്തിലും അനുകൂലമായി അതിലിരട്ടി വേഗത്തിലും ഒരു ബോട്ട് നീങ്ങുന്നു. നിശ്ചല ജലത്തിൽ ബോട്ടിന്റെ വേഗതയെന്ത് ?
A12 കി.മീ / മണിക്കൂർ
B10 കി.മീ / മണിക്കുർ
C14 കി.മീ / മണിക്കുർ
D9 കി.മീ / മണിക്കുർ
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Related Questions:
In one hour, a boat goes 13 km/hr in the direction of the stream and 7 km/hr against the direction of the stream. What will be the speed of the boat in still water?
A person can swim in water with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, what will be the time taken by the person to go 68 km downstream?
The speeds of two boats A and B in still water are 25 km/hr and 30 km/hr respectively. The boats are 165 km apart. If both begins moving toward each other, A going downstream while B upstream, then in how many hours they will meet?
A boat goes 6 km an hour in still water, but takes thrice as much time in going the same distance against the current. The speed of
the current (in km/hour) is :
if the speed of a boat in still water is 13 km/h and the speed of the current is 12 km/h. Find the time taken by a boat to travel 50 km with the current?