Rate of the stream
A man rows to a place 48 km distant and come back in 14 hours. He finds out that he can row 4 km with stream in the same time as 3 km against the stream. The rate of the stream is:
A. 1 km/hr
B. 1.5 km/hr
C. 2 km/hr
D. 2.5 km/hr
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