A boat move along the flow of river between two fixed point A and B. It take 
time when
going downstream and takes 
time when going upstream between these two points. What time it will take in still water to cover the distance equal to AB.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
or 
and 
or 
time taken by the boat to cover 
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