A) 6 km/h
B) 8 km/h
C) 9 km/h
D) 12 km/h
Correct Answer: B
Solution :
[b] Speed of the boat downstream \[=\frac{120}{5}=24\,km/h\] Ratio of speeds of boat and stream = 2:1 \[\therefore \] speed of the stream\[=\frac{1}{3}\times 24=8\,km/h\]You need to login to perform this action.
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