a man rows upstream 8 km and downstream 12km taking 5 hours each time .the speed of water current is
Answers
Answered by
0
Answer:
His speed upstream was
8km/5hr
and 12km/5hr
Step-by-step explanation:
So in still water it would be
10km/5hr
Which means
speed of water current
is 2km/5hr
=0.4kmph because his speed in both directions was changed by 2km/5hr
ANS. 0.4KMPH
Answered by
4
Step-by-step explanation:
Speed downstream(D) = 12/5
Speed upstream(U) = 8/5
Rate of stream = 1/2(D - U) = 2/5 km/hr
=1/2(12-8)x1/5 =2/5
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