alleryThe same boat (8 km/h still water, 2 km/h current) now covers 30 km against the current. How long does it take?
A3 hours
B6 hours
C5 hours
D4 hours
Answer & Solution
Correct answer: C. 5 hours
Upstream speed is 6 km/h, so 30 / 6 = 5 hours.
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