A) 3 km/hrs
B) 6 km/hrs
C) 5 km/hrs
D) 4 km/hrs
Correct Answer: A
Solution :
Speed of boat Let rate of flow of river Relative speed during upstream Relative speed during downstream Time taken by boat to travel 91 kms upstream and downstream = 20 hours So, So, rate of flow of riverYou need to login to perform this action.
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