[tex]\huge{\underline{\underline{\bf Question}}}[/tex]
Speed of a Boat on still water is 15 km/hr. It goes 30 km upstream and returns back at the same point 4 hours 30 minutes. Find the speed of the stream
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Answers & Comments
Given :
To Find :
Solution :
Let the Speed of stream be x
Speed of stream in upstream = (15-x)
Speed of stream in downstream = (15+x)
Formula To Be used,
Given that,
Substituting values,
Note :- Speed can not be negative
Required Answer :
Speed of the stream is
According to the Question,
By cross-multiplication, we get
(As speed can't be negative)
Hence, the speed of stream is 5 km/h.