Question
Download Solution PDFIf Vishal covers 184 km in a boat in 48 hours against the stream and he takes 12 hours with the stream, then find the speed of the stream.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Distance (D) = 184 km
Time taken against the stream (Tagainst) = 48 hours
Time taken with the stream (Twith) = 12 hours
Formula Used:
Speed = Distance / Time
Speed against the stream (Sagainst) = Speed of boat (Vb) - Speed of stream (Vs)
Speed with the stream (Swith) = Speed of boat (Vb) + Speed of stream (Vs)
Speed of stream (Vs) = (Swith - Sagainst) / 2
Calculations:
Speed against the stream (Sagainst) = 184 / 48
⇒ Sagainst = 3.833 km/hr (approx)
Speed with the stream (Swith) = 184 / 12
⇒ Swith = 15.333 km/hr (approx)
Speed of the stream (Vs) = (15.333 - 3.833) / 2
⇒ Vs = 11.5 / 2
⇒ Vs = 5.75 km/hr
∴ The speed of the stream is 5.75 km/hr.
Last updated on Jul 10, 2025
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