Q: The speed of a boat is 12 km/hr. in still water. If the boat covers a distance of 38 km in the opposite direction of the stream of water in 4 hours, then the speed of the stream is in km/hr.
A.
3
B.
2.5
C.
3.17
D.
6.5
Correct Answer:
Option B -
Explanations:
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