A man row to a place 48 km distant and back on 14 hours text. He find…

Question

A man row to a place 48 km distant and back on 14 hours text. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is?

Accepted Answer

Option A. 1 km/hr. Answer & Solution Answer: Option A Solution: Suppose he moves 4 km downstream in x hours. Then, Speed downstream & = ( 4/x )km/hr & Speed upstream & = ( 3/x )km/hr & 48 ( 3/x ) + 48 ( 4/x ) = 14\,\,\,or\,\,\,x = 1/2 & So,\, Speed downstream & = 8 km/hr & Speed uptream = 6 km/hr…