A) 3 : 1
B) 4 : 3
C) 2 : 1
D) 3 : 2
Correct Answer: A
Solution :
[a] Let speed in downstream = 14 + 4 = 18 km/hr Speed in upstream = (x ? y) \[\therefore \] \[(x+y)=2(x-y)\] x = 3y \[x:y=3:1\]You need to login to perform this action.
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