A) 0.5 km/h
B) 1 km/h
C) 1.5 km/h
D) 2 km/h
Correct Answer: B
Solution :
[b] Let man?s rowing speed in still water = x km/hr Let speed of current = y km/hr. Downstream speed \[=x+y=\frac{36}{6}=6\] ? (1) Upstream speed \[=x-y=\frac{24}{6}=4\] ? (2) (1) ? (2) \[2y=2\Rightarrow y=1\] \[\therefore\] Speed of current = 1 km/hrYou need to login to perform this action.
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